Finding the Fourth Proportional to 42,221.81, 58,167.47 and 29,452.23

Step by Step Solution

1. Step 1: Write the proportion equation
   42,221.81 : 58,167.47 = 29,452.23 : x
2. Step 2: Convert to fraction form
   42,221.81/58,167.47 = 29,452.23/x
3. Step 3: Cross multiply
   42,221.81x = 58,167.47 × 29,452.23
4. Step 4: Simplify right side
   42,221.81x = 1,713,161,778.59
5. Step 5: Solve for x
   x = 1,713,161,778.59/42,221.81
6. Step 6: Final answer
   x = 40,575.28