Finding the Fourth Proportional to 2,298.54, 3,445.59 and 911.43

Step by Step Solution

1. Step 1: Write the proportion equation
   2,298.54 : 3,445.59 = 911.43 : x
2. Step 2: Convert to fraction form
   2,298.54/3,445.59 = 911.43/x
3. Step 3: Cross multiply
   2,298.54x = 3,445.59 × 911.43
4. Step 4: Simplify right side
   2,298.54x = 3,140,414.09
5. Step 5: Solve for x
   x = 3,140,414.09/2,298.54
6. Step 6: Final answer
   x = 1,366.26