Finding the Fourth Proportional to 42,150.78, 58,169.26 and 23,289.12

Step by Step Solution

1. Step 1: Write the proportion equation
   42,150.78 : 58,169.26 = 23,289.12 : x
2. Step 2: Convert to fraction form
   42,150.78/58,169.26 = 23,289.12/x
3. Step 3: Cross multiply
   42,150.78x = 58,169.26 × 23,289.12
4. Step 4: Simplify right side
   42,150.78x = 1,354,710,876.45
5. Step 5: Solve for x
   x = 1,354,710,876.45/42,150.78
6. Step 6: Final answer
   x = 32,139.64