Finding the Fourth Proportional to 141,320.73, 194,974.34 and 87,586.14

Step by Step Solution

1. Step 1: Write the proportion equation
   141,320.73 : 194,974.34 = 87,586.14 : x
2. Step 2: Convert to fraction form
   141,320.73/194,974.34 = 87,586.14/x
3. Step 3: Cross multiply
   141,320.73x = 194,974.34 × 87,586.14
4. Step 4: Simplify right side
   141,320.73x = 17,077,049,401.72
5. Step 5: Solve for x
   x = 17,077,049,401.72/141,320.73
6. Step 6: Final answer
   x = 120,838.96