Finding the Fourth Proportional to 1,406.39, 1,926.75 and 1,353.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,406.39 : 1,926.75 = 1,353.83 : x
2. Step 2: Convert to fraction form
   1,406.39/1,926.75 = 1,353.83/x
3. Step 3: Cross multiply
   1,406.39x = 1,926.75 × 1,353.83
4. Step 4: Simplify right side
   1,406.39x = 2,608,479.78
5. Step 5: Solve for x
   x = 2,608,479.78/1,406.39
6. Step 6: Final answer
   x = 1,854.73