Finding the Fourth Proportional to 2,398.98, 3,598.20 and 754.63

Step by Step Solution

1. Step 1: Write the proportion equation
   2,398.98 : 3,598.20 = 754.63 : x
2. Step 2: Convert to fraction form
   2,398.98/3,598.20 = 754.63/x
3. Step 3: Cross multiply
   2,398.98x = 3,598.20 × 754.63
4. Step 4: Simplify right side
   2,398.98x = 2,715,300.67
5. Step 5: Solve for x
   x = 2,715,300.67/2,398.98
6. Step 6: Final answer
   x = 1,131.85