Finding the Fourth Proportional to 102,008,859.72, 153,072,564.76 and 42,916,911.18

Step by Step Solution

1. Step 1: Write the proportion equation
   102,008,859.72 : 153,072,564.76 = 42,916,911.18 : x
2. Step 2: Convert to fraction form
   102,008,859.72/153,072,564.76 = 42,916,911.18/x
3. Step 3: Cross multiply
   102,008,859.72x = 153,072,564.76 × 42,916,911.18
4. Step 4: Simplify right side
   102,008,859.72x = 6,569,401,665,899,718
5. Step 5: Solve for x
   x = 6,569,401,665,899,718/102,008,859.72
6. Step 6: Final answer
   x = 64,400,304.87