Finding the Fourth Proportional to 1,894.72, 2,615.52 and 1,274.08

Step by Step Solution

1. Step 1: Write the proportion equation
   1,894.72 : 2,615.52 = 1,274.08 : x
2. Step 2: Convert to fraction form
   1,894.72/2,615.52 = 1,274.08/x
3. Step 3: Cross multiply
   1,894.72x = 2,615.52 × 1,274.08
4. Step 4: Simplify right side
   1,894.72x = 3,332,381.72
5. Step 5: Solve for x
   x = 3,332,381.72/1,894.72
6. Step 6: Final answer
   x = 1,758.77