Finding the Fourth Proportional to 141,320.16, 194,940.72 and 88,236

Step by Step Solution

1. Step 1: Write the proportion equation
   141,320.16 : 194,940.72 = 88,236 : x
2. Step 2: Convert to fraction form
   141,320.16/194,940.72 = 88,236/x
3. Step 3: Cross multiply
   141,320.16x = 194,940.72 × 88,236
4. Step 4: Simplify right side
   141,320.16x = 17,200,789,369.92
5. Step 5: Solve for x
   x = 17,200,789,369.92/141,320.16
6. Step 6: Final answer
   x = 121,715.04