Finding the Fourth Proportional to 6,287.31, 8,675.29 and 4,272.32

Step by Step Solution

1. Step 1: Write the proportion equation
   6,287.31 : 8,675.29 = 4,272.32 : x
2. Step 2: Convert to fraction form
   6,287.31/8,675.29 = 4,272.32/x
3. Step 3: Cross multiply
   6,287.31x = 8,675.29 × 4,272.32
4. Step 4: Simplify right side
   6,287.31x = 37,063,569.17
5. Step 5: Solve for x
   x = 37,063,569.17/6,287.31
6. Step 6: Final answer
   x = 5,894.98