Finding the Fourth Proportional to 42,520.16, 58,679.28 and 23,658.56

Step by Step Solution

1. Step 1: Write the proportion equation
   42,520.16 : 58,679.28 = 23,658.56 : x
2. Step 2: Convert to fraction form
   42,520.16/58,679.28 = 23,658.56/x
3. Step 3: Cross multiply
   42,520.16x = 58,679.28 × 23,658.56
4. Step 4: Simplify right side
   42,520.16x = 1,388,267,266.64
5. Step 5: Solve for x
   x = 1,388,267,266.64/42,520.16
6. Step 6: Final answer
   x = 32,649.62