Finding the Fourth Proportional to 108,758.56, 150,000.24 and 89,862.88

Step by Step Solution

1. Step 1: Write the proportion equation
   108,758.56 : 150,000.24 = 89,862.88 : x
2. Step 2: Convert to fraction form
   108,758.56/150,000.24 = 89,862.88/x
3. Step 3: Cross multiply
   108,758.56x = 150,000.24 × 89,862.88
4. Step 4: Simplify right side
   108,758.56x = 13,479,453,567.09
5. Step 5: Solve for x
   x = 13,479,453,567.09/108,758.56
6. Step 6: Final answer
   x = 123,939.24