Finding the Fourth Proportional to 1,926.18, 2,657.81 and 1,264.01

Step by Step Solution

1. Step 1: Write the proportion equation
   1,926.18 : 2,657.81 = 1,264.01 : x
2. Step 2: Convert to fraction form
   1,926.18/2,657.81 = 1,264.01/x
3. Step 3: Cross multiply
   1,926.18x = 2,657.81 × 1,264.01
4. Step 4: Simplify right side
   1,926.18x = 3,359,488.29
5. Step 5: Solve for x
   x = 3,359,488.29/1,926.18
6. Step 6: Final answer
   x = 1,744.12