Finding the Fourth Proportional to 2,398.72, 3,598.76 and 1,011.36

Step by Step Solution

1. Step 1: Write the proportion equation
   2,398.72 : 3,598.76 = 1,011.36 : x
2. Step 2: Convert to fraction form
   2,398.72/3,598.76 = 1,011.36/x
3. Step 3: Cross multiply
   2,398.72x = 3,598.76 × 1,011.36
4. Step 4: Simplify right side
   2,398.72x = 3,639,641.91
5. Step 5: Solve for x
   x = 3,639,641.91/2,398.72
6. Step 6: Final answer
   x = 1,517.33