Finding the Fourth Proportional to 1,892.16, 2,610.88 and 1,064

Step by Step Solution

1. Step 1: Write the proportion equation
   1,892.16 : 2,610.88 = 1,064 : x
2. Step 2: Convert to fraction form
   1,892.16/2,610.88 = 1,064/x
3. Step 3: Cross multiply
   1,892.16x = 2,610.88 × 1,064
4. Step 4: Simplify right side
   1,892.16x = 2,777,976.32
5. Step 5: Solve for x
   x = 2,777,976.32/1,892.16
6. Step 6: Final answer
   x = 1,468.15