Finding the Fourth Proportional to 10,867.50, 14,997.15 and 5,899.50

Step by Step Solution

1. Step 1: Write the proportion equation
   10,867.50 : 14,997.15 = 5,899.50 : x
2. Step 2: Convert to fraction form
   10,867.50/14,997.15 = 5,899.50/x
3. Step 3: Cross multiply
   10,867.50x = 14,997.15 × 5,899.50
4. Step 4: Simplify right side
   10,867.50x = 88,475,686.43
5. Step 5: Solve for x
   x = 88,475,686.43/10,867.50
6. Step 6: Final answer
   x = 8,141.31