Finding the Fourth Proportional to 141,961.46, 195,906.42 and 81,536.00

Step by Step Solution

1. Step 1: Write the proportion equation
   141,961.46 : 195,906.42 = 81,536.00 : x
2. Step 2: Convert to fraction form
   141,961.46/195,906.42 = 81,536.00/x
3. Step 3: Cross multiply
   141,961.46x = 195,906.42 × 81,536.00
4. Step 4: Simplify right side
   141,961.46x = 15,973,424,881.59
5. Step 5: Solve for x
   x = 15,973,424,881.59/141,961.46
6. Step 6: Final answer
   x = 112,519.45