Finding the Fourth Proportional to 1,892.89, 2,612.27 and 1,053.60

Step by Step Solution

1. Step 1: Write the proportion equation
   1,892.89 : 2,612.27 = 1,053.60 : x
2. Step 2: Convert to fraction form
   1,892.89/2,612.27 = 1,053.60/x
3. Step 3: Cross multiply
   1,892.89x = 2,612.27 × 1,053.60
4. Step 4: Simplify right side
   1,892.89x = 2,752,290.31
5. Step 5: Solve for x
   x = 2,752,290.31/1,892.89
6. Step 6: Final answer
   x = 1,454.02