Finding the Fourth Proportional to 288,868,466,906.56, 433,231,097,351.78 and 97,636,253,142.12

Step by Step Solution

1. Step 1: Write the proportion equation
   288,868,466,906.56 : 433,231,097,351.78 = 97,636,253,142.12 : x
2. Step 2: Convert to fraction form
   288,868,466,906.56/433,231,097,351.78 = 97,636,253,142.12/x
3. Step 3: Cross multiply
   288,868,466,906.56x = 433,231,097,351.78 × 97,636,253,142.12
4. Step 4: Simplify right side
   288,868,466,906.56x = 42,299,061,090,076,824,961,024
5. Step 5: Solve for x
   x = 42,299,061,090,076,824,961,024/288,868,466,906.56
6. Step 6: Final answer
   x = 146,430,178,215.88