Finding the Fourth Proportional to 8,158.52, 12,238.02 and 5,402.84

Step by Step Solution

1. Step 1: Write the proportion equation
   8,158.52 : 12,238.02 = 5,402.84 : x
2. Step 2: Convert to fraction form
   8,158.52/12,238.02 = 5,402.84/x
3. Step 3: Cross multiply
   8,158.52x = 12,238.02 × 5,402.84
4. Step 4: Simplify right side
   8,158.52x = 66,120,063.98
5. Step 5: Solve for x
   x = 66,120,063.98/8,158.52
6. Step 6: Final answer
   x = 8,104.42