Finding the Fourth Proportional to 52,863.68, 72,965.76 and 31,659.52

Step by Step Solution

1. Step 1: Write the proportion equation
   52,863.68 : 72,965.76 = 31,659.52 : x
2. Step 2: Convert to fraction form
   52,863.68/72,965.76 = 31,659.52/x
3. Step 3: Cross multiply
   52,863.68x = 72,965.76 × 31,659.52
4. Step 4: Simplify right side
   52,863.68x = 2,310,060,938.04
5. Step 5: Solve for x
   x = 2,310,060,938.04/52,863.68
6. Step 6: Final answer
   x = 43,698.45