Finding the Fourth Proportional to 1,743.79, 2,404.06 and 1,316.55

Step by Step Solution

1. Step 1: Write the proportion equation
   1,743.79 : 2,404.06 = 1,316.55 : x
2. Step 2: Convert to fraction form
   1,743.79/2,404.06 = 1,316.55/x
3. Step 3: Cross multiply
   1,743.79x = 2,404.06 × 1,316.55
4. Step 4: Simplify right side
   1,743.79x = 3,165,065.19
5. Step 5: Solve for x
   x = 3,165,065.19/1,743.79
6. Step 6: Final answer
   x = 1,815.05