Finding the Fourth Proportional to 1,665.64, 2,498.96 and 741.07

Step by Step Solution

1. Step 1: Write the proportion equation
   1,665.64 : 2,498.96 = 741.07 : x
2. Step 2: Convert to fraction form
   1,665.64/2,498.96 = 741.07/x
3. Step 3: Cross multiply
   1,665.64x = 2,498.96 × 741.07
4. Step 4: Simplify right side
   1,665.64x = 1,851,900.58
5. Step 5: Solve for x
   x = 1,851,900.58/1,665.64
6. Step 6: Final answer
   x = 1,111.83