Finding the Fourth Proportional to 42,143.66, 58,158.72 and 23,280.80

Step by Step Solution

1. Step 1: Write the proportion equation
   42,143.66 : 58,158.72 = 23,280.80 : x
2. Step 2: Convert to fraction form
   42,143.66/58,158.72 = 23,280.80/x
3. Step 3: Cross multiply
   42,143.66x = 58,158.72 × 23,280.80
4. Step 4: Simplify right side
   42,143.66x = 1,353,981,528.58
5. Step 5: Solve for x
   x = 1,353,981,528.58/42,143.66
6. Step 6: Final answer
   x = 32,127.76