Finding the Fourth Proportional to 42,091.20, 58,085.79 and 23,228.31

Step by Step Solution

1. Step 1: Write the proportion equation
   42,091.20 : 58,085.79 = 23,228.31 : x
2. Step 2: Convert to fraction form
   42,091.20/58,085.79 = 23,228.31/x
3. Step 3: Cross multiply
   42,091.20x = 58,085.79 × 23,228.31
4. Step 4: Simplify right side
   42,091.20x = 1,349,234,736.71
5. Step 5: Solve for x
   x = 1,349,234,736.71/42,091.20
6. Step 6: Final answer
   x = 32,055.03