Finding the Fourth Proportional to 1,274.52, 1,759.88 and 1,038.51

Step by Step Solution

1. Step 1: Write the proportion equation
   1,274.52 : 1,759.88 = 1,038.51 : x
2. Step 2: Convert to fraction form
   1,274.52/1,759.88 = 1,038.51/x
3. Step 3: Cross multiply
   1,274.52x = 1,759.88 × 1,038.51
4. Step 4: Simplify right side
   1,274.52x = 1,827,647.79
5. Step 5: Solve for x
   x = 1,827,647.79/1,274.52
6. Step 6: Final answer
   x = 1,433.99