Finding the Fourth Proportional to 2,064.53, 2,848.91 and 1,278.43

Step by Step Solution

1. Step 1: Write the proportion equation
   2,064.53 : 2,848.91 = 1,278.43 : x
2. Step 2: Convert to fraction form
   2,064.53/2,848.91 = 1,278.43/x
3. Step 3: Cross multiply
   2,064.53x = 2,848.91 × 1,278.43
4. Step 4: Simplify right side
   2,064.53x = 3,642,118.50
5. Step 5: Solve for x
   x = 3,642,118.50/2,064.53
6. Step 6: Final answer
   x = 1,764.14