Finding the Fourth Proportional to 108,754.56, 149,994.72 and 89,858.88

Step by Step Solution

1. Step 1: Write the proportion equation
   108,754.56 : 149,994.72 = 89,858.88 : x
2. Step 2: Convert to fraction form
   108,754.56/149,994.72 = 89,858.88/x
3. Step 3: Cross multiply
   108,754.56x = 149,994.72 × 89,858.88
4. Step 4: Simplify right side
   108,754.56x = 13,478,357,545.11
5. Step 5: Solve for x
   x = 13,478,357,545.11/108,754.56
6. Step 6: Final answer
   x = 123,933.72