Finding the Fourth Proportional to 140,981.02, 194,535.82 and 80,555.58

Step by Step Solution

1. Step 1: Write the proportion equation
   140,981.02 : 194,535.82 = 80,555.58 : x
2. Step 2: Convert to fraction form
   140,981.02/194,535.82 = 80,555.58/x
3. Step 3: Cross multiply
   140,981.02x = 194,535.82 × 80,555.58
4. Step 4: Simplify right side
   140,981.02x = 15,670,945,810.88
5. Step 5: Solve for x
   x = 15,670,945,810.88/140,981.02
6. Step 6: Final answer
   x = 111,156.42