Finding the Fourth Proportional to 14,649,692.88, 20,215,590.72 and 8,123,080.72

Step by Step Solution

1. Step 1: Write the proportion equation
   14,649,692.88 : 20,215,590.72 = 8,123,080.72 : x
2. Step 2: Convert to fraction form
   14,649,692.88/20,215,590.72 = 8,123,080.72/x
3. Step 3: Cross multiply
   14,649,692.88x = 20,215,590.72 × 8,123,080.72
4. Step 4: Simplify right side
   14,649,692.88x = 164,212,875,221,042.91
5. Step 5: Solve for x
   x = 164,212,875,221,042.91/14,649,692.88
6. Step 6: Final answer
   x = 11,209,304.97