Finding the Fourth Proportional to 52,480.68, 72,285.12 and 43,499.40

Step by Step Solution

1. Step 1: Write the proportion equation
   52,480.68 : 72,285.12 = 43,499.40 : x
2. Step 2: Convert to fraction form
   52,480.68/72,285.12 = 43,499.40/x
3. Step 3: Cross multiply
   52,480.68x = 72,285.12 × 43,499.40
4. Step 4: Simplify right side
   52,480.68x = 3,144,359,348.93
5. Step 5: Solve for x
   x = 3,144,359,348.93/52,480.68
6. Step 6: Final answer
   x = 59,914.61