Finding the Fourth Proportional to 142,598.56, 196,777.56 and 78,932.56

Step by Step Solution

1. Step 1: Write the proportion equation
   142,598.56 : 196,777.56 = 78,932.56 : x
2. Step 2: Convert to fraction form
   142,598.56/196,777.56 = 78,932.56/x
3. Step 3: Cross multiply
   142,598.56x = 196,777.56 × 78,932.56
4. Step 4: Simplify right side
   142,598.56x = 15,532,156,561.35
5. Step 5: Solve for x
   x = 15,532,156,561.35/142,598.56
6. Step 6: Final answer
   x = 108,922.25