Finding the Fourth Proportional to 10,407.32, 14,362.20 and 5,691.68

Step by Step Solution

1. Step 1: Write the proportion equation
   10,407.32 : 14,362.20 = 5,691.68 : x
2. Step 2: Convert to fraction form
   10,407.32/14,362.20 = 5,691.68/x
3. Step 3: Cross multiply
   10,407.32x = 14,362.20 × 5,691.68
4. Step 4: Simplify right side
   10,407.32x = 81,745,046.50
5. Step 5: Solve for x
   x = 81,745,046.50/10,407.32
6. Step 6: Final answer
   x = 7,854.57