Finding the Fourth Proportional to 42,507.38, 58,659.39 and 29,078.18

Step by Step Solution

1. Step 1: Write the proportion equation
   42,507.38 : 58,659.39 = 29,078.18 : x
2. Step 2: Convert to fraction form
   42,507.38/58,659.39 = 29,078.18/x
3. Step 3: Cross multiply
   42,507.38x = 58,659.39 × 29,078.18
4. Step 4: Simplify right side
   42,507.38x = 1,705,708,301.11
5. Step 5: Solve for x
   x = 1,705,708,301.11/42,507.38
6. Step 6: Final answer
   x = 40,127.34