Finding the Fourth Proportional to 158,321.30, 236,891.43 and 156,549.83

Step by Step Solution

1. Step 1: Write the proportion equation
   158,321.30 : 236,891.43 = 156,549.83 : x
2. Step 2: Convert to fraction form
   158,321.30/236,891.43 = 156,549.83/x
3. Step 3: Cross multiply
   158,321.30x = 236,891.43 × 156,549.83
4. Step 4: Simplify right side
   158,321.30x = 37,085,311,910.50
5. Step 5: Solve for x
   x = 37,085,311,910.50/158,321.30
6. Step 6: Final answer
   x = 234,240.83