Finding the Fourth Proportional to 52,436,105.74, 72,366,134.16 and 28,919,242.09

Step by Step Solution

1. Step 1: Write the proportion equation
   52,436,105.74 : 72,366,134.16 = 28,919,242.09 : x
2. Step 2: Convert to fraction form
   52,436,105.74/72,366,134.16 = 28,919,242.09/x
3. Step 3: Cross multiply
   52,436,105.74x = 72,366,134.16 × 28,919,242.09
4. Step 4: Simplify right side
   52,436,105.74x = 2,092,773,752,890,458.75
5. Step 5: Solve for x
   x = 2,092,773,752,890,458.75/52,436,105.74
6. Step 6: Final answer
   x = 39,910,930.14