Finding the Fourth Proportional to 141,199.50, 194,872.59 and 81,583.50

Step by Step Solution

1. Step 1: Write the proportion equation
   141,199.50 : 194,872.59 = 81,583.50 : x
2. Step 2: Convert to fraction form
   141,199.50/194,872.59 = 81,583.50/x
3. Step 3: Cross multiply
   141,199.50x = 194,872.59 × 81,583.50
4. Step 4: Simplify right side
   141,199.50x = 15,898,387,946.27
5. Step 5: Solve for x
   x = 15,898,387,946.27/141,199.50
6. Step 6: Final answer
   x = 112,595.21