Finding the Fourth Proportional to 40,061.18, 55,223.07 and 29,974.34

Step by Step Solution

1. Step 1: Write the proportion equation
   40,061.18 : 55,223.07 = 29,974.34 : x
2. Step 2: Convert to fraction form
   40,061.18/55,223.07 = 29,974.34/x
3. Step 3: Cross multiply
   40,061.18x = 55,223.07 × 29,974.34
4. Step 4: Simplify right side
   40,061.18x = 1,655,275,076.02
5. Step 5: Solve for x
   x = 1,655,275,076.02/40,061.18
6. Step 6: Final answer
   x = 41,318.68