Finding the Fourth Proportional to 72,687,456.10, 109,182,816.15 and 61,350,048.10

Step by Step Solution

1. Step 1: Write the proportion equation
   72,687,456.10 : 109,182,816.15 = 61,350,048.10 : x
2. Step 2: Convert to fraction form
   72,687,456.10/109,182,816.15 = 61,350,048.10/x
3. Step 3: Cross multiply
   72,687,456.10x = 109,182,816.15 × 61,350,048.10
4. Step 4: Simplify right side
   72,687,456.10x = 6,698,371,022,495,957
5. Step 5: Solve for x
   x = 6,698,371,022,495,957/72,687,456.10
6. Step 6: Final answer
   x = 92,153,053.39