Finding the Fourth Proportional to 119,155.25, 178,806.69 and 69,258.85

Step by Step Solution

1. Step 1: Write the proportion equation
   119,155.25 : 178,806.69 = 69,258.85 : x
2. Step 2: Convert to fraction form
   119,155.25/178,806.69 = 69,258.85/x
3. Step 3: Cross multiply
   119,155.25x = 178,806.69 × 69,258.85
4. Step 4: Simplify right side
   119,155.25x = 12,383,945,274.69
5. Step 5: Solve for x
   x = 12,383,945,274.69/119,155.25
6. Step 6: Final answer
   x = 103,931.17