Finding the Fourth Proportional to 141,903, 195,854.52 and 81,515.10

Step by Step Solution

1. Step 1: Write the proportion equation
   141,903 : 195,854.52 = 81,515.10 : x
2. Step 2: Convert to fraction form
   141,903/195,854.52 = 81,515.10/x
3. Step 3: Cross multiply
   141,903x = 195,854.52 × 81,515.10
4. Step 4: Simplify right side
   141,903x = 15,965,100,783.25
5. Step 5: Solve for x
   x = 15,965,100,783.25/141,903
6. Step 6: Final answer
   x = 112,507.14