Finding the Fourth Proportional to 158,398.96, 238,272.69 and 143,584.72

Step by Step Solution

1. Step 1: Write the proportion equation
   158,398.96 : 238,272.69 = 143,584.72 : x
2. Step 2: Convert to fraction form
   158,398.96/238,272.69 = 143,584.72/x
3. Step 3: Cross multiply
   158,398.96x = 238,272.69 × 143,584.72
4. Step 4: Simplify right side
   158,398.96x = 34,212,316,612.39
5. Step 5: Solve for x
   x = 34,212,316,612.39/158,398.96
6. Step 6: Final answer
   x = 215,988.27