Finding the Fourth Proportional to 38,687.39, 58,026.15 and 14,978.72

Step by Step Solution

1. Step 1: Write the proportion equation
   38,687.39 : 58,026.15 = 14,978.72 : x
2. Step 2: Convert to fraction form
   38,687.39/58,026.15 = 14,978.72/x
3. Step 3: Cross multiply
   38,687.39x = 58,026.15 × 14,978.72
4. Step 4: Simplify right side
   38,687.39x = 869,157,453.53
5. Step 5: Solve for x
   x = 869,157,453.53/38,687.39
6. Step 6: Final answer
   x = 22,466.17