Finding the Fourth Proportional to 42,117.75, 58,129.92 and 25,123.05

Step by Step Solution

1. Step 1: Write the proportion equation
   42,117.75 : 58,129.92 = 25,123.05 : x
2. Step 2: Convert to fraction form
   42,117.75/58,129.92 = 25,123.05/x
3. Step 3: Cross multiply
   42,117.75x = 58,129.92 × 25,123.05
4. Step 4: Simplify right side
   42,117.75x = 1,460,400,886.66
5. Step 5: Solve for x
   x = 1,460,400,886.66/42,117.75
6. Step 6: Final answer
   x = 34,674.24