Finding the Fourth Proportional to 52,585.42, 72,568.89 and 28,713.04

Step by Step Solution

1. Step 1: Write the proportion equation
   52,585.42 : 72,568.89 = 28,713.04 : x
2. Step 2: Convert to fraction form
   52,585.42/72,568.89 = 28,713.04/x
3. Step 3: Cross multiply
   52,585.42x = 72,568.89 × 28,713.04
4. Step 4: Simplify right side
   52,585.42x = 2,083,673,441.33
5. Step 5: Solve for x
   x = 2,083,673,441.33/52,585.42
6. Step 6: Final answer
   x = 39,624.55