Finding the Fourth Proportional to 1,744.90, 2,613.86 and 1,051.20

Step by Step Solution

1. Step 1: Write the proportion equation
   1,744.90 : 2,613.86 = 1,051.20 : x
2. Step 2: Convert to fraction form
   1,744.90/2,613.86 = 1,051.20/x
3. Step 3: Cross multiply
   1,744.90x = 2,613.86 × 1,051.20
4. Step 4: Simplify right side
   1,744.90x = 2,747,688.32
5. Step 5: Solve for x
   x = 2,747,688.32/1,744.90
6. Step 6: Final answer
   x = 1,574.70