Finding the Fourth Proportional to 123,649,570.96, 185,474,996.28 and 72,495,717.52

Step by Step Solution

1. Step 1: Write the proportion equation
   123,649,570.96 : 185,474,996.28 = 72,495,717.52 : x
2. Step 2: Convert to fraction form
   123,649,570.96/185,474,996.28 = 72,495,717.52/x
3. Step 3: Cross multiply
   123,649,570.96x = 185,474,996.28 × 72,495,717.52
4. Step 4: Simplify right side
   123,649,570.96x = 13,446,142,937,337,930
5. Step 5: Solve for x
   x = 13,446,142,937,337,930/123,649,570.96
6. Step 6: Final answer
   x = 108,743,951.42