Finding the Fourth Proportional to 1,742.56, 2,404.52 and 1,276

Step by Step Solution

1. Step 1: Write the proportion equation
   1,742.56 : 2,404.52 = 1,276 : x
2. Step 2: Convert to fraction form
   1,742.56/2,404.52 = 1,276/x
3. Step 3: Cross multiply
   1,742.56x = 2,404.52 × 1,276
4. Step 4: Simplify right side
   1,742.56x = 3,068,167.52
5. Step 5: Solve for x
   x = 3,068,167.52/1,742.56
6. Step 6: Final answer
   x = 1,760.72