Finding the Fourth Proportional to 6,686.54, 9,227.88 and 3,702.50

Step by Step Solution

1. Step 1: Write the proportion equation
   6,686.54 : 9,227.88 = 3,702.50 : x
2. Step 2: Convert to fraction form
   6,686.54/9,227.88 = 3,702.50/x
3. Step 3: Cross multiply
   6,686.54x = 9,227.88 × 3,702.50
4. Step 4: Simplify right side
   6,686.54x = 34,166,179.56
5. Step 5: Solve for x
   x = 34,166,179.56/6,686.54
6. Step 6: Final answer
   x = 5,109.70