Finding the Fourth Proportional to 113,574,353.72, 156,861,893.34 and 76,339,990.32

Step by Step Solution

1. Step 1: Write the proportion equation
   113,574,353.72 : 156,861,893.34 = 76,339,990.32 : x
2. Step 2: Convert to fraction form
   113,574,353.72/156,861,893.34 = 76,339,990.32/x
3. Step 3: Cross multiply
   113,574,353.72x = 156,861,893.34 × 76,339,990.32
4. Step 4: Simplify right side
   113,574,353.72x = 11,974,835,419,152,472
5. Step 5: Solve for x
   x = 11,974,835,419,152,472/113,574,353.72
6. Step 6: Final answer
   x = 105,436,086.82