Finding the Fourth Proportional to 8,899.71, 12,284.17 and 5,877.04

Step by Step Solution

1. Step 1: Write the proportion equation
   8,899.71 : 12,284.17 = 5,877.04 : x
2. Step 2: Convert to fraction form
   8,899.71/12,284.17 = 5,877.04/x
3. Step 3: Cross multiply
   8,899.71x = 12,284.17 × 5,877.04
4. Step 4: Simplify right side
   8,899.71x = 72,194,558.46
5. Step 5: Solve for x
   x = 72,194,558.46/8,899.71
6. Step 6: Final answer
   x = 8,112.01