Finding the Fourth Proportional to 2,298.54, 3,445.98 and 999.09

Step by Step Solution

1. Step 1: Write the proportion equation
   2,298.54 : 3,445.98 = 999.09 : x
2. Step 2: Convert to fraction form
   2,298.54/3,445.98 = 999.09/x
3. Step 3: Cross multiply
   2,298.54x = 3,445.98 × 999.09
4. Step 4: Simplify right side
   2,298.54x = 3,442,844.16
5. Step 5: Solve for x
   x = 3,442,844.16/2,298.54
6. Step 6: Final answer
   x = 1,497.84