Finding the Fourth Proportional to 2,398.83, 3,598.61 and 667.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,398.83 : 3,598.61 = 667.59 : x
2. Step 2: Convert to fraction form
   2,398.83/3,598.61 = 667.59/x
3. Step 3: Cross multiply
   2,398.83x = 3,598.61 × 667.59
4. Step 4: Simplify right side
   2,398.83x = 2,402,392.71
5. Step 5: Solve for x
   x = 2,402,392.71/2,398.83
6. Step 6: Final answer
   x = 1,001.49