Finding the Fourth Proportional to 142,582.32, 196,763.78 and 88,867.29

Step by Step Solution

1. Step 1: Write the proportion equation
   142,582.32 : 196,763.78 = 88,867.29 : x
2. Step 2: Convert to fraction form
   142,582.32/196,763.78 = 88,867.29/x
3. Step 3: Cross multiply
   142,582.32x = 196,763.78 × 88,867.29
4. Step 4: Simplify right side
   142,582.32x = 17,485,863,454.42
5. Step 5: Solve for x
   x = 17,485,863,454.42/142,582.32
6. Step 6: Final answer
   x = 122,636.97