Finding the Fourth Proportional to 1,892.25, 2,611.31 and 1,064.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,892.25 : 2,611.31 = 1,064.25 : x
2. Step 2: Convert to fraction form
   1,892.25/2,611.31 = 1,064.25/x
3. Step 3: Cross multiply
   1,892.25x = 2,611.31 × 1,064.25
4. Step 4: Simplify right side
   1,892.25x = 2,779,081.35
5. Step 5: Solve for x
   x = 2,779,081.35/1,892.25
6. Step 6: Final answer
   x = 1,468.67