Finding the Fourth Proportional to 8,123.16, 12,191.94 and 4,839.24

Step by Step Solution

1. Step 1: Write the proportion equation
   8,123.16 : 12,191.94 = 4,839.24 : x
2. Step 2: Convert to fraction form
   8,123.16/12,191.94 = 4,839.24/x
3. Step 3: Cross multiply
   8,123.16x = 12,191.94 × 4,839.24
4. Step 4: Simplify right side
   8,123.16x = 58,999,723.73
5. Step 5: Solve for x
   x = 58,999,723.73/8,123.16
6. Step 6: Final answer
   x = 7,263.15