Finding the Fourth Proportional to 42,404.32, 63,613.80 and 14,324.57

Step by Step Solution

1. Step 1: Write the proportion equation
   42,404.32 : 63,613.80 = 14,324.57 : x
2. Step 2: Convert to fraction form
   42,404.32/63,613.80 = 14,324.57/x
3. Step 3: Cross multiply
   42,404.32x = 63,613.80 × 14,324.57
4. Step 4: Simplify right side
   42,404.32x = 911,240,490.10
5. Step 5: Solve for x
   x = 911,240,490.10/42,404.32
6. Step 6: Final answer
   x = 21,489.33