Finding the Fourth Proportional to 52,586.52, 72,567.82 and 28,713.40

Step by Step Solution

1. Step 1: Write the proportion equation
   52,586.52 : 72,567.82 = 28,713.40 : x
2. Step 2: Convert to fraction form
   52,586.52/72,567.82 = 28,713.40/x
3. Step 3: Cross multiply
   52,586.52x = 72,567.82 × 28,713.40
4. Step 4: Simplify right side
   52,586.52x = 2,083,668,842.79
5. Step 5: Solve for x
   x = 2,083,668,842.79/52,586.52
6. Step 6: Final answer
   x = 39,623.63