Finding the Fourth Proportional to 28,498.24, 42,773.60 and 14,468.16

Step by Step Solution

1. Step 1: Write the proportion equation
   28,498.24 : 42,773.60 = 14,468.16 : x
2. Step 2: Convert to fraction form
   28,498.24/42,773.60 = 14,468.16/x
3. Step 3: Cross multiply
   28,498.24x = 42,773.60 × 14,468.16
4. Step 4: Simplify right side
   28,498.24x = 618,855,288.58
5. Step 5: Solve for x
   x = 618,855,288.58/28,498.24
6. Step 6: Final answer
   x = 21,715.56