Finding the Fourth Proportional to 39,597.15, 59,419.12 and 14,654.72

Step by Step Solution

1. Step 1: Write the proportion equation
   39,597.15 : 59,419.12 = 14,654.72 : x
2. Step 2: Convert to fraction form
   39,597.15/59,419.12 = 14,654.72/x
3. Step 3: Cross multiply
   39,597.15x = 59,419.12 × 14,654.72
4. Step 4: Simplify right side
   39,597.15x = 870,770,705.63
5. Step 5: Solve for x
   x = 870,770,705.63/39,597.15
6. Step 6: Final answer
   x = 21,990.74