Finding the Fourth Proportional to 6,642.32, 9,960.23 and 3,792.47

Step by Step Solution

1. Step 1: Write the proportion equation
   6,642.32 : 9,960.23 = 3,792.47 : x
2. Step 2: Convert to fraction form
   6,642.32/9,960.23 = 3,792.47/x
3. Step 3: Cross multiply
   6,642.32x = 9,960.23 × 3,792.47
4. Step 4: Simplify right side
   6,642.32x = 37,773,833.15
5. Step 5: Solve for x
   x = 37,773,833.15/6,642.32
6. Step 6: Final answer
   x = 5,686.85