Finding the Fourth Proportional to 6,925.30, 9,557.28 and 3,781.50

Step by Step Solution

1. Step 1: Write the proportion equation
   6,925.30 : 9,557.28 = 3,781.50 : x
2. Step 2: Convert to fraction form
   6,925.30/9,557.28 = 3,781.50/x
3. Step 3: Cross multiply
   6,925.30x = 9,557.28 × 3,781.50
4. Step 4: Simplify right side
   6,925.30x = 36,140,854.32
5. Step 5: Solve for x
   x = 36,140,854.32/6,925.30
6. Step 6: Final answer
   x = 5,218.67