Finding the Fourth Proportional to 10,454.16, 15,681.72 and 3,528.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,454.16 : 15,681.72 = 3,528.72 : x
2. Step 2: Convert to fraction form
   10,454.16/15,681.72 = 3,528.72/x
3. Step 3: Cross multiply
   10,454.16x = 15,681.72 × 3,528.72
4. Step 4: Simplify right side
   10,454.16x = 55,336,399.00
5. Step 5: Solve for x
   x = 55,336,399.00/10,454.16
6. Step 6: Final answer
   x = 5,293.24