Finding the Fourth Proportional to 142,260.82, 196,303.20 and 78,594.82

Step by Step Solution

1. Step 1: Write the proportion equation
   142,260.82 : 196,303.20 = 78,594.82 : x
2. Step 2: Convert to fraction form
   142,260.82/196,303.20 = 78,594.82/x
3. Step 3: Cross multiply
   142,260.82x = 196,303.20 × 78,594.82
4. Step 4: Simplify right side
   142,260.82x = 15,428,414,669.42
5. Step 5: Solve for x
   x = 15,428,414,669.42/142,260.82
6. Step 6: Final answer
   x = 108,451.61