Finding the Fourth Proportional to 7,158.77, 10,740.89 and 4,042.30

Step by Step Solution

1. Step 1: Write the proportion equation
   7,158.77 : 10,740.89 = 4,042.30 : x
2. Step 2: Convert to fraction form
   7,158.77/10,740.89 = 4,042.30/x
3. Step 3: Cross multiply
   7,158.77x = 10,740.89 × 4,042.30
4. Step 4: Simplify right side
   7,158.77x = 43,417,882.90
5. Step 5: Solve for x
   x = 43,417,882.90/7,158.77
6. Step 6: Final answer
   x = 6,064.99