Finding the Fourth Proportional to 1,744.93, 2,405.56 and 1,478.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,744.93 : 2,405.56 = 1,478.31 : x
2. Step 2: Convert to fraction form
   1,744.93/2,405.56 = 1,478.31/x
3. Step 3: Cross multiply
   1,744.93x = 2,405.56 × 1,478.31
4. Step 4: Simplify right side
   1,744.93x = 3,556,163.40
5. Step 5: Solve for x
   x = 3,556,163.40/1,744.93
6. Step 6: Final answer
   x = 2,038.00