Finding the Fourth Proportional to 178,061.76, 267,223.32 and 143,419.68

Step by Step Solution

1. Step 1: Write the proportion equation
   178,061.76 : 267,223.32 = 143,419.68 : x
2. Step 2: Convert to fraction form
   178,061.76/267,223.32 = 143,419.68/x
3. Step 3: Cross multiply
   178,061.76x = 267,223.32 × 143,419.68
4. Step 4: Simplify right side
   178,061.76x = 38,325,083,042.94
5. Step 5: Solve for x
   x = 38,325,083,042.94/178,061.76
6. Step 6: Final answer
   x = 215,234.78