Finding the Fourth Proportional to 51,272.52, 70,756.04 and 28,916.52

Step by Step Solution

1. Step 1: Write the proportion equation
   51,272.52 : 70,756.04 = 28,916.52 : x
2. Step 2: Convert to fraction form
   51,272.52/70,756.04 = 28,916.52/x
3. Step 3: Cross multiply
   51,272.52x = 70,756.04 × 28,916.52
4. Step 4: Simplify right side
   51,272.52x = 2,046,018,445.78
5. Step 5: Solve for x
   x = 2,046,018,445.78/51,272.52
6. Step 6: Final answer
   x = 39,904.78