Finding the Fourth Proportional to 14,592,787.76, 20,138,087.69 and 7,977,456.15

Step by Step Solution

1. Step 1: Write the proportion equation
   14,592,787.76 : 20,138,087.69 = 7,977,456.15 : x
2. Step 2: Convert to fraction form
   14,592,787.76/20,138,087.69 = 7,977,456.15/x
3. Step 3: Cross multiply
   14,592,787.76x = 20,138,087.69 × 7,977,456.15
4. Step 4: Simplify right side
   14,592,787.76x = 160,650,711,451,942.50
5. Step 5: Solve for x
   x = 160,650,711,451,942.50/14,592,787.76
6. Step 6: Final answer
   x = 11,008,911.67