Finding the Fourth Proportional to 111,751.87, 154,281.14 and 89,018.01

Step by Step Solution

1. Step 1: Write the proportion equation
   111,751.87 : 154,281.14 = 89,018.01 : x
2. Step 2: Convert to fraction form
   111,751.87/154,281.14 = 89,018.01/x
3. Step 3: Cross multiply
   111,751.87x = 154,281.14 × 89,018.01
4. Step 4: Simplify right side
   111,751.87x = 13,733,800,063.33
5. Step 5: Solve for x
   x = 13,733,800,063.33/111,751.87
6. Step 6: Final answer
   x = 122,895.48