Finding the Fourth Proportional to 8,599,061.25, 12,900,584.88 and 2,919,285.56

Step by Step Solution

1. Step 1: Write the proportion equation
   8,599,061.25 : 12,900,584.88 = 2,919,285.56 : x
2. Step 2: Convert to fraction form
   8,599,061.25/12,900,584.88 = 2,919,285.56/x
3. Step 3: Cross multiply
   8,599,061.25x = 12,900,584.88 × 2,919,285.56
4. Step 4: Simplify right side
   8,599,061.25x = 37,660,491,187,989.80
5. Step 5: Solve for x
   x = 37,660,491,187,989.80/8,599,061.25
6. Step 6: Final answer
   x = 4,379,604.95