Finding the Fourth Proportional to 2,258.86, 3,388.32 and 924.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,258.86 : 3,388.32 = 924.82 : x
2. Step 2: Convert to fraction form
   2,258.86/3,388.32 = 924.82/x
3. Step 3: Cross multiply
   2,258.86x = 3,388.32 × 924.82
4. Step 4: Simplify right side
   2,258.86x = 3,133,586.10
5. Step 5: Solve for x
   x = 3,133,586.10/2,258.86
6. Step 6: Final answer
   x = 1,387.24