Finding the Fourth Proportional to 142,098.41, 196,095.83 and 78,436.22

Step by Step Solution

1. Step 1: Write the proportion equation
   142,098.41 : 196,095.83 = 78,436.22 : x
2. Step 2: Convert to fraction form
   142,098.41/196,095.83 = 78,436.22/x
3. Step 3: Cross multiply
   142,098.41x = 196,095.83 × 78,436.22
4. Step 4: Simplify right side
   142,098.41x = 15,381,015,270.78
5. Step 5: Solve for x
   x = 15,381,015,270.78/142,098.41
6. Step 6: Final answer
   x = 108,241.99