Finding the Fourth Proportional to 142,527.24, 196,679.40 and 78,861.84

Step by Step Solution

1. Step 1: Write the proportion equation
   142,527.24 : 196,679.40 = 78,861.84 : x
2. Step 2: Convert to fraction form
   142,527.24/196,679.40 = 78,861.84/x
3. Step 3: Cross multiply
   142,527.24x = 196,679.40 × 78,861.84
4. Step 4: Simplify right side
   142,527.24x = 15,510,499,374.10
5. Step 5: Solve for x
   x = 15,510,499,374.10/142,527.24
6. Step 6: Final answer
   x = 108,824.81