Finding the Fourth Proportional to 1,493.39, 2,233.53 and 1,330.01

Step by Step Solution

1. Step 1: Write the proportion equation
   1,493.39 : 2,233.53 = 1,330.01 : x
2. Step 2: Convert to fraction form
   1,493.39/2,233.53 = 1,330.01/x
3. Step 3: Cross multiply
   1,493.39x = 2,233.53 × 1,330.01
4. Step 4: Simplify right side
   1,493.39x = 2,970,622.82
5. Step 5: Solve for x
   x = 2,970,622.82/1,493.39
6. Step 6: Final answer
   x = 1,989.18