Finding the Fourth Proportional to 6,342.02, 8,753.37 and 3,689.78

Step by Step Solution

1. Step 1: Write the proportion equation
   6,342.02 : 8,753.37 = 3,689.78 : x
2. Step 2: Convert to fraction form
   6,342.02/8,753.37 = 3,689.78/x
3. Step 3: Cross multiply
   6,342.02x = 8,753.37 × 3,689.78
4. Step 4: Simplify right side
   6,342.02x = 32,298,009.56
5. Step 5: Solve for x
   x = 32,298,009.56/6,342.02
6. Step 6: Final answer
   x = 5,092.70