Finding the Fourth Proportional to 1,665.26, 2,498.72 and 1,110.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,665.26 : 2,498.72 = 1,110.34 : x
2. Step 2: Convert to fraction form
   1,665.26/2,498.72 = 1,110.34/x
3. Step 3: Cross multiply
   1,665.26x = 2,498.72 × 1,110.34
4. Step 4: Simplify right side
   1,665.26x = 2,774,428.76
5. Step 5: Solve for x
   x = 2,774,428.76/1,665.26
6. Step 6: Final answer
   x = 1,666.06