Finding the Fourth Proportional to 1,926.32, 2,658.60 and 1,264.16

Step by Step Solution

1. Step 1: Write the proportion equation
   1,926.32 : 2,658.60 = 1,264.16 : x
2. Step 2: Convert to fraction form
   1,926.32/2,658.60 = 1,264.16/x
3. Step 3: Cross multiply
   1,926.32x = 2,658.60 × 1,264.16
4. Step 4: Simplify right side
   1,926.32x = 3,360,895.78
5. Step 5: Solve for x
   x = 3,360,895.78/1,926.32
6. Step 6: Final answer
   x = 1,744.72