Finding the Fourth Proportional to 271,576.56, 374,820.71 and 158,399.31

Step by Step Solution

1. Step 1: Write the proportion equation
   271,576.56 : 374,820.71 = 158,399.31 : x
2. Step 2: Convert to fraction form
   271,576.56/374,820.71 = 158,399.31/x
3. Step 3: Cross multiply
   271,576.56x = 374,820.71 × 158,399.31
4. Step 4: Simplify right side
   271,576.56x = 59,371,341,045.71
5. Step 5: Solve for x
   x = 59,371,341,045.71/271,576.56
6. Step 6: Final answer
   x = 218,617.32