Finding the Fourth Proportional to 42,142.23, 58,155.17 and 23,278.95

Step by Step Solution

1. Step 1: Write the proportion equation
   42,142.23 : 58,155.17 = 23,278.95 : x
2. Step 2: Convert to fraction form
   42,142.23/58,155.17 = 23,278.95/x
3. Step 3: Cross multiply
   42,142.23x = 58,155.17 × 23,278.95
4. Step 4: Simplify right side
   42,142.23x = 1,353,791,178.28
5. Step 5: Solve for x
   x = 1,353,791,178.28/42,142.23
6. Step 6: Final answer
   x = 32,124.34