Finding the Fourth Proportional to 141,900.03, 195,850.41 and 81,512.10

Step by Step Solution

1. Step 1: Write the proportion equation
   141,900.03 : 195,850.41 = 81,512.10 : x
2. Step 2: Convert to fraction form
   141,900.03/195,850.41 = 81,512.10/x
3. Step 3: Cross multiply
   141,900.03x = 195,850.41 × 81,512.10
4. Step 4: Simplify right side
   141,900.03x = 15,964,178,204.96
5. Step 5: Solve for x
   x = 15,964,178,204.96/141,900.03
6. Step 6: Final answer
   x = 112,502.99