Finding the Fourth Proportional to 42,640.27, 58,854.12 and 29,050.79

Step by Step Solution

1. Step 1: Write the proportion equation
   42,640.27 : 58,854.12 = 29,050.79 : x
2. Step 2: Convert to fraction form
   42,640.27/58,854.12 = 29,050.79/x
3. Step 3: Cross multiply
   42,640.27x = 58,854.12 × 29,050.79
4. Step 4: Simplify right side
   42,640.27x = 1,709,758,827.89
5. Step 5: Solve for x
   x = 1,709,758,827.89/42,640.27
6. Step 6: Final answer
   x = 40,097.28