Finding the Fourth Proportional to 2,392.17, 3,301.35 and 1,330.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,392.17 : 3,301.35 = 1,330.05 : x
2. Step 2: Convert to fraction form
   2,392.17/3,301.35 = 1,330.05/x
3. Step 3: Cross multiply
   2,392.17x = 3,301.35 × 1,330.05
4. Step 4: Simplify right side
   2,392.17x = 4,390,960.57
5. Step 5: Solve for x
   x = 4,390,960.57/2,392.17
6. Step 6: Final answer
   x = 1,835.56