Finding the Fourth Proportional to 111,956.53, 154,696.74 and 89,481.00

Step by Step Solution

1. Step 1: Write the proportion equation
   111,956.53 : 154,696.74 = 89,481.00 : x
2. Step 2: Convert to fraction form
   111,956.53/154,696.74 = 89,481.00/x
3. Step 3: Cross multiply
   111,956.53x = 154,696.74 × 89,481.00
4. Step 4: Simplify right side
   111,956.53x = 13,842,417,771.05
5. Step 5: Solve for x
   x = 13,842,417,771.05/111,956.53
6. Step 6: Final answer
   x = 123,641.00