Finding the Fourth Proportional to 42,713.49, 58,889.34 and 29,260.71

Step by Step Solution

1. Step 1: Write the proportion equation
   42,713.49 : 58,889.34 = 29,260.71 : x
2. Step 2: Convert to fraction form
   42,713.49/58,889.34 = 29,260.71/x
3. Step 3: Cross multiply
   42,713.49x = 58,889.34 × 29,260.71
4. Step 4: Simplify right side
   42,713.49x = 1,723,143,899.83
5. Step 5: Solve for x
   x = 1,723,143,899.83/42,713.49
6. Step 6: Final answer
   x = 40,341.91