Finding the Fourth Proportional to 2,386.32, 3,292.98 and 1,338.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,386.32 : 3,292.98 = 1,338.18 : x
2. Step 2: Convert to fraction form
   2,386.32/3,292.98 = 1,338.18/x
3. Step 3: Cross multiply
   2,386.32x = 3,292.98 × 1,338.18
4. Step 4: Simplify right side
   2,386.32x = 4,406,599.98
5. Step 5: Solve for x
   x = 4,406,599.98/2,386.32
6. Step 6: Final answer
   x = 1,846.61