Finding the Fourth Proportional to 142,614.96, 196,810.20 and 78,953.82

Step by Step Solution

1. Step 1: Write the proportion equation
   142,614.96 : 196,810.20 = 78,953.82 : x
2. Step 2: Convert to fraction form
   142,614.96/196,810.20 = 78,953.82/x
3. Step 3: Cross multiply
   142,614.96x = 196,810.20 × 78,953.82
4. Step 4: Simplify right side
   142,614.96x = 15,538,917,104.96
5. Step 5: Solve for x
   x = 15,538,917,104.96/142,614.96
6. Step 6: Final answer
   x = 108,957.13