Finding the Fourth Proportional to 42,507.35, 58,659.18 and 29,078.10

Step by Step Solution

1. Step 1: Write the proportion equation
   42,507.35 : 58,659.18 = 29,078.10 : x
2. Step 2: Convert to fraction form
   42,507.35/58,659.18 = 29,078.10/x
3. Step 3: Cross multiply
   42,507.35x = 58,659.18 × 29,078.10
4. Step 4: Simplify right side
   42,507.35x = 1,705,697,501.96
5. Step 5: Solve for x
   x = 1,705,697,501.96/42,507.35
6. Step 6: Final answer
   x = 40,127.12