Finding the Fourth Proportional to 141,512.52, 195,288.89 and 81,081.95

Step by Step Solution

1. Step 1: Write the proportion equation
   141,512.52 : 195,288.89 = 81,081.95 : x
2. Step 2: Convert to fraction form
   141,512.52/195,288.89 = 81,081.95/x
3. Step 3: Cross multiply
   141,512.52x = 195,288.89 × 81,081.95
4. Step 4: Simplify right side
   141,512.52x = 15,834,404,014.54
5. Step 5: Solve for x
   x = 15,834,404,014.54/141,512.52
6. Step 6: Final answer
   x = 111,894.01