Finding the Fourth Proportional to 3,702.96, 5,088.72 and 3,531.64

Step by Step Solution

1. Step 1: Write the proportion equation
   3,702.96 : 5,088.72 = 3,531.64 : x
2. Step 2: Convert to fraction form
   3,702.96/5,088.72 = 3,531.64/x
3. Step 3: Cross multiply
   3,702.96x = 5,088.72 × 3,531.64
4. Step 4: Simplify right side
   3,702.96x = 17,971,527.10
5. Step 5: Solve for x
   x = 17,971,527.10/3,702.96
6. Step 6: Final answer
   x = 4,853.29