Finding the Fourth Proportional to 152,785.82, 229,091.24 and 143,979.50

Step by Step Solution

1. Step 1: Write the proportion equation
   152,785.82 : 229,091.24 = 143,979.50 : x
2. Step 2: Convert to fraction form
   152,785.82/229,091.24 = 143,979.50/x
3. Step 3: Cross multiply
   152,785.82x = 229,091.24 × 143,979.50
4. Step 4: Simplify right side
   152,785.82x = 32,984,442,189.58
5. Step 5: Solve for x
   x = 32,984,442,189.58/152,785.82
6. Step 6: Final answer
   x = 215,886.80