Finding the Fourth Proportional to 52,432.91, 72,357.30 and 28,559.52

Step by Step Solution

1. Step 1: Write the proportion equation
   52,432.91 : 72,357.30 = 28,559.52 : x
2. Step 2: Convert to fraction form
   52,432.91/72,357.30 = 28,559.52/x
3. Step 3: Cross multiply
   52,432.91x = 72,357.30 × 28,559.52
4. Step 4: Simplify right side
   52,432.91x = 2,066,489,756.50
5. Step 5: Solve for x
   x = 2,066,489,756.50/52,432.91
6. Step 6: Final answer
   x = 39,412.08