Finding the Fourth Proportional to 1,569.96, 2,355.71 and 1,110.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,569.96 : 2,355.71 = 1,110.69 : x
2. Step 2: Convert to fraction form
   1,569.96/2,355.71 = 1,110.69/x
3. Step 3: Cross multiply
   1,569.96x = 2,355.71 × 1,110.69
4. Step 4: Simplify right side
   1,569.96x = 2,616,466.32
5. Step 5: Solve for x
   x = 2,616,466.32/1,569.96
6. Step 6: Final answer
   x = 1,666.58