Finding the Fourth Proportional to 42,143.72, 58,153.38 and 23,279.72

Step by Step Solution

1. Step 1: Write the proportion equation
   42,143.72 : 58,153.38 = 23,279.72 : x
2. Step 2: Convert to fraction form
   42,143.72/58,153.38 = 23,279.72/x
3. Step 3: Cross multiply
   42,143.72x = 58,153.38 × 23,279.72
4. Step 4: Simplify right side
   42,143.72x = 1,353,794,403.45
5. Step 5: Solve for x
   x = 1,353,794,403.45/42,143.72
6. Step 6: Final answer
   x = 32,123.28