Finding the Fourth Proportional to 51,499.33, 71,060.86 and 28,839.27

Step by Step Solution

1. Step 1: Write the proportion equation
   51,499.33 : 71,060.86 = 28,839.27 : x
2. Step 2: Convert to fraction form
   51,499.33/71,060.86 = 28,839.27/x
3. Step 3: Cross multiply
   51,499.33x = 71,060.86 × 28,839.27
4. Step 4: Simplify right side
   51,499.33x = 2,049,343,630.50
5. Step 5: Solve for x
   x = 2,049,343,630.50/51,499.33
6. Step 6: Final answer
   x = 39,793.60