Finding the Fourth Proportional to 152,705.16, 229,167 and 113,142.96

Step by Step Solution

1. Step 1: Write the proportion equation
   152,705.16 : 229,167 = 113,142.96 : x
2. Step 2: Convert to fraction form
   152,705.16/229,167 = 113,142.96/x
3. Step 3: Cross multiply
   152,705.16x = 229,167 × 113,142.96
4. Step 4: Simplify right side
   152,705.16x = 25,928,632,714.32
5. Step 5: Solve for x
   x = 25,928,632,714.32/152,705.16
6. Step 6: Final answer
   x = 169,795.39