Finding the Fourth Proportional to 6,339.50, 8,748.54 and 3,545

Step by Step Solution

1. Step 1: Write the proportion equation
   6,339.50 : 8,748.54 = 3,545 : x
2. Step 2: Convert to fraction form
   6,339.50/8,748.54 = 3,545/x
3. Step 3: Cross multiply
   6,339.50x = 8,748.54 × 3,545
4. Step 4: Simplify right side
   6,339.50x = 31,013,574.30
5. Step 5: Solve for x
   x = 31,013,574.30/6,339.50
6. Step 6: Final answer
   x = 4,892.12