Finding the Fourth Proportional to 22,555,679.85, 31,121,500.98 and 12,766,124.31

Step by Step Solution

1. Step 1: Write the proportion equation
   22,555,679.85 : 31,121,500.98 = 12,766,124.31 : x
2. Step 2: Convert to fraction form
   22,555,679.85/31,121,500.98 = 12,766,124.31/x
3. Step 3: Cross multiply
   22,555,679.85x = 31,121,500.98 × 12,766,124.31
4. Step 4: Simplify right side
   22,555,679.85x = 397,300,950,224,466.88
5. Step 5: Solve for x
   x = 397,300,950,224,466.88/22,555,679.85
6. Step 6: Final answer
   x = 17,614,230.78