Finding the Fourth Proportional to 2,213.74, 3,320.46 and 1,598.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,213.74 : 3,320.46 = 1,598.56 : x
2. Step 2: Convert to fraction form
   2,213.74/3,320.46 = 1,598.56/x
3. Step 3: Cross multiply
   2,213.74x = 3,320.46 × 1,598.56
4. Step 4: Simplify right side
   2,213.74x = 5,307,954.54
5. Step 5: Solve for x
   x = 5,307,954.54/2,213.74
6. Step 6: Final answer
   x = 2,397.73