Finding the Fourth Proportional to 141,280.83, 194,978.39 and 80,870.42

Step by Step Solution

1. Step 1: Write the proportion equation
   141,280.83 : 194,978.39 = 80,870.42 : x
2. Step 2: Convert to fraction form
   141,280.83/194,978.39 = 80,870.42/x
3. Step 3: Cross multiply
   141,280.83x = 194,978.39 × 80,870.42
4. Step 4: Simplify right side
   141,280.83x = 15,767,982,910.98
5. Step 5: Solve for x
   x = 15,767,982,910.98/141,280.83
6. Step 6: Final answer
   x = 111,607.38