Finding the Fourth Proportional to 271,405.69, 374,540.15 and 158,250.31

Step by Step Solution

1. Step 1: Write the proportion equation
   271,405.69 : 374,540.15 = 158,250.31 : x
2. Step 2: Convert to fraction form
   271,405.69/374,540.15 = 158,250.31/x
3. Step 3: Cross multiply
   271,405.69x = 374,540.15 × 158,250.31
4. Step 4: Simplify right side
   271,405.69x = 59,271,094,304.22
5. Step 5: Solve for x
   x = 59,271,094,304.22/271,405.69
6. Step 6: Final answer
   x = 218,385.60