Finding the Fourth Proportional to 1,338.93, 1,823.72 and 1,335.29

Step by Step Solution

1. Step 1: Write the proportion equation
   1,338.93 : 1,823.72 = 1,335.29 : x
2. Step 2: Convert to fraction form
   1,338.93/1,823.72 = 1,335.29/x
3. Step 3: Cross multiply
   1,338.93x = 1,823.72 × 1,335.29
4. Step 4: Simplify right side
   1,338.93x = 2,435,179.28
5. Step 5: Solve for x
   x = 2,435,179.28/1,338.93
6. Step 6: Final answer
   x = 1,818.75