Finding the Fourth Proportional to 142,633.59, 196,624.76 and 108,582.77

Step by Step Solution

1. Step 1: Write the proportion equation
   142,633.59 : 196,624.76 = 108,582.77 : x
2. Step 2: Convert to fraction form
   142,633.59/196,624.76 = 108,582.77/x
3. Step 3: Cross multiply
   142,633.59x = 196,624.76 × 108,582.77
4. Step 4: Simplify right side
   142,633.59x = 21,350,059,565.35
5. Step 5: Solve for x
   x = 21,350,059,565.35/142,633.59
6. Step 6: Final answer
   x = 149,684.65