Finding the Fourth Proportional to 5,158.17, 7,132.23 and 5,074.77

Step by Step Solution

1. Step 1: Write the proportion equation
   5,158.17 : 7,132.23 = 5,074.77 : x
2. Step 2: Convert to fraction form
   5,158.17/7,132.23 = 5,074.77/x
3. Step 3: Cross multiply
   5,158.17x = 7,132.23 × 5,074.77
4. Step 4: Simplify right side
   5,158.17x = 36,194,426.84
5. Step 5: Solve for x
   x = 36,194,426.84/5,158.17
6. Step 6: Final answer
   x = 7,016.91