Finding the Fourth Proportional to 141,494.52, 195,290.16 and 81,105.64

Step by Step Solution

1. Step 1: Write the proportion equation
   141,494.52 : 195,290.16 = 81,105.64 : x
2. Step 2: Convert to fraction form
   141,494.52/195,290.16 = 81,105.64/x
3. Step 3: Cross multiply
   141,494.52x = 195,290.16 × 81,105.64
4. Step 4: Simplify right side
   141,494.52x = 15,839,133,412.50
5. Step 5: Solve for x
   x = 15,839,133,412.50/141,494.52
6. Step 6: Final answer
   x = 111,941.67