Finding the Fourth Proportional to 1,665.69, 2,498.60 and 741.07

Step by Step Solution

1. Step 1: Write the proportion equation
   1,665.69 : 2,498.60 = 741.07 : x
2. Step 2: Convert to fraction form
   1,665.69/2,498.60 = 741.07/x
3. Step 3: Cross multiply
   1,665.69x = 2,498.60 × 741.07
4. Step 4: Simplify right side
   1,665.69x = 1,851,637.50
5. Step 5: Solve for x
   x = 1,851,637.50/1,665.69
6. Step 6: Final answer
   x = 1,111.63