Finding the Fourth Proportional to 6,288.88, 8,642.82 and 5,167.92

Step by Step Solution

1. Step 1: Write the proportion equation
   6,288.88 : 8,642.82 = 5,167.92 : x
2. Step 2: Convert to fraction form
   6,288.88/8,642.82 = 5,167.92/x
3. Step 3: Cross multiply
   6,288.88x = 8,642.82 × 5,167.92
4. Step 4: Simplify right side
   6,288.88x = 44,665,402.33
5. Step 5: Solve for x
   x = 44,665,402.33/6,288.88
6. Step 6: Final answer
   x = 7,102.28