Finding the Fourth Proportional to 42,022.89, 57,980.07 and 29,261.73

Step by Step Solution

1. Step 1: Write the proportion equation
   42,022.89 : 57,980.07 = 29,261.73 : x
2. Step 2: Convert to fraction form
   42,022.89/57,980.07 = 29,261.73/x
3. Step 3: Cross multiply
   42,022.89x = 57,980.07 × 29,261.73
4. Step 4: Simplify right side
   42,022.89x = 1,696,597,153.72
5. Step 5: Solve for x
   x = 1,696,597,153.72/42,022.89
6. Step 6: Final answer
   x = 40,373.17