Finding the Fourth Proportional to 51,510.96, 71,081.51 and 28,849.70

Step by Step Solution

1. Step 1: Write the proportion equation
   51,510.96 : 71,081.51 = 28,849.70 : x
2. Step 2: Convert to fraction form
   51,510.96/71,081.51 = 28,849.70/x
3. Step 3: Cross multiply
   51,510.96x = 71,081.51 × 28,849.70
4. Step 4: Simplify right side
   51,510.96x = 2,050,680,272.50
5. Step 5: Solve for x
   x = 2,050,680,272.50/51,510.96
6. Step 6: Final answer
   x = 39,810.56