Finding the Fourth Proportional to 108,766, 150,098.56 and 81,493.70

Step by Step Solution

1. Step 1: Write the proportion equation
   108,766 : 150,098.56 = 81,493.70 : x
2. Step 2: Convert to fraction form
   108,766/150,098.56 = 81,493.70/x
3. Step 3: Cross multiply
   108,766x = 150,098.56 × 81,493.70
4. Step 4: Simplify right side
   108,766x = 12,232,087,019.07
5. Step 5: Solve for x
   x = 12,232,087,019.07/108,766
6. Step 6: Final answer
   x = 112,462.41