Finding the Fourth Proportional to 2,298.30, 3,445.52 and 998.79

Step by Step Solution

1. Step 1: Write the proportion equation
   2,298.30 : 3,445.52 = 998.79 : x
2. Step 2: Convert to fraction form
   2,298.30/3,445.52 = 998.79/x
3. Step 3: Cross multiply
   2,298.30x = 3,445.52 × 998.79
4. Step 4: Simplify right side
   2,298.30x = 3,441,345.93
5. Step 5: Solve for x
   x = 3,441,345.93/2,298.30
6. Step 6: Final answer
   x = 1,497.34