Finding the Fourth Proportional to 108,544.34, 149,942.14 and 81,892.10

Step by Step Solution

1. Step 1: Write the proportion equation
   108,544.34 : 149,942.14 = 81,892.10 : x
2. Step 2: Convert to fraction form
   108,544.34/149,942.14 = 81,892.10/x
3. Step 3: Cross multiply
   108,544.34x = 149,942.14 × 81,892.10
4. Step 4: Simplify right side
   108,544.34x = 12,279,076,723.09
5. Step 5: Solve for x
   x = 12,279,076,723.09/108,544.34
6. Step 6: Final answer
   x = 113,124.98