Finding the Fourth Proportional to 2,435.33, 3,647.13 and 1,392.17

Step by Step Solution

1. Step 1: Write the proportion equation
   2,435.33 : 3,647.13 = 1,392.17 : x
2. Step 2: Convert to fraction form
   2,435.33/3,647.13 = 1,392.17/x
3. Step 3: Cross multiply
   2,435.33x = 3,647.13 × 1,392.17
4. Step 4: Simplify right side
   2,435.33x = 5,077,406.74
5. Step 5: Solve for x
   x = 5,077,406.74/2,435.33
6. Step 6: Final answer
   x = 2,084.90