Finding the Fourth Proportional to 10,528.22, 15,791.98 and 3,132.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,528.22 : 15,791.98 = 3,132.72 : x
2. Step 2: Convert to fraction form
   10,528.22/15,791.98 = 3,132.72/x
3. Step 3: Cross multiply
   10,528.22x = 15,791.98 × 3,132.72
4. Step 4: Simplify right side
   10,528.22x = 49,471,851.59
5. Step 5: Solve for x
   x = 49,471,851.59/10,528.22
6. Step 6: Final answer
   x = 4,698.98