Finding the Fourth Proportional to 144,456,022.42, 216,638,516.68 and 47,389,111.09

Step by Step Solution

1. Step 1: Write the proportion equation
   144,456,022.42 : 216,638,516.68 = 47,389,111.09 : x
2. Step 2: Convert to fraction form
   144,456,022.42/216,638,516.68 = 47,389,111.09/x
3. Step 3: Cross multiply
   144,456,022.42x = 216,638,516.68 × 47,389,111.09
4. Step 4: Simplify right side
   144,456,022.42x = 10,266,306,732,661,270
5. Step 5: Solve for x
   x = 10,266,306,732,661,270/144,456,022.42
6. Step 6: Final answer
   x = 71,068,734.70