Finding the Fourth Proportional to 42,041.55, 58,017.27 and 23,178.69

Step by Step Solution

1. Step 1: Write the proportion equation
   42,041.55 : 58,017.27 = 23,178.69 : x
2. Step 2: Convert to fraction form
   42,041.55/58,017.27 = 23,178.69/x
3. Step 3: Cross multiply
   42,041.55x = 58,017.27 × 23,178.69
4. Step 4: Simplify right side
   42,041.55x = 1,344,764,315.98
5. Step 5: Solve for x
   x = 1,344,764,315.98/42,041.55
6. Step 6: Final answer
   x = 31,986.55