Finding the Fourth Proportional to 1,569.98, 2,164.92 and 1,045.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,569.98 : 2,164.92 = 1,045.10 : x
2. Step 2: Convert to fraction form
   1,569.98/2,164.92 = 1,045.10/x
3. Step 3: Cross multiply
   1,569.98x = 2,164.92 × 1,045.10
4. Step 4: Simplify right side
   1,569.98x = 2,262,557.89
5. Step 5: Solve for x
   x = 2,262,557.89/1,569.98
6. Step 6: Final answer
   x = 1,441.14