Finding the Fourth Proportional to 39,952.29, 59,912.86 and 14,978.72

Step by Step Solution

1. Step 1: Write the proportion equation
   39,952.29 : 59,912.86 = 14,978.72 : x
2. Step 2: Convert to fraction form
   39,952.29/59,912.86 = 14,978.72/x
3. Step 3: Cross multiply
   39,952.29x = 59,912.86 × 14,978.72
4. Step 4: Simplify right side
   39,952.29x = 897,417,617.33
5. Step 5: Solve for x
   x = 897,417,617.33/39,952.29
6. Step 6: Final answer
   x = 22,462.24