Finding the Fourth Proportional to 107,426.96, 148,266.96 and 89,493.56

Step by Step Solution

1. Step 1: Write the proportion equation
   107,426.96 : 148,266.96 = 89,493.56 : x
2. Step 2: Convert to fraction form
   107,426.96/148,266.96 = 89,493.56/x
3. Step 3: Cross multiply
   107,426.96x = 148,266.96 × 89,493.56
4. Step 4: Simplify right side
   107,426.96x = 13,268,938,080.78
5. Step 5: Solve for x
   x = 13,268,938,080.78/107,426.96
6. Step 6: Final answer
   x = 123,515.90