Finding the Fourth Proportional to 40,134.09, 55,380.27 and 23,143.89

Step by Step Solution

1. Step 1: Write the proportion equation
   40,134.09 : 55,380.27 = 23,143.89 : x
2. Step 2: Convert to fraction form
   40,134.09/55,380.27 = 23,143.89/x
3. Step 3: Cross multiply
   40,134.09x = 55,380.27 × 23,143.89
4. Step 4: Simplify right side
   40,134.09x = 1,281,714,877.05
5. Step 5: Solve for x
   x = 1,281,714,877.05/40,134.09
6. Step 6: Final answer
   x = 31,935.82