Finding the Fourth Proportional to 6,302.52, 8,701.50 and 3,915

Step by Step Solution

1. Step 1: Write the proportion equation
   6,302.52 : 8,701.50 = 3,915 : x
2. Step 2: Convert to fraction form
   6,302.52/8,701.50 = 3,915/x
3. Step 3: Cross multiply
   6,302.52x = 8,701.50 × 3,915
4. Step 4: Simplify right side
   6,302.52x = 34,066,372.50
5. Step 5: Solve for x
   x = 34,066,372.50/6,302.52
6. Step 6: Final answer
   x = 5,405.20