Finding the Fourth Proportional to 1,665.13, 2,496.98 and 740.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,665.13 : 2,496.98 = 740.31 : x
2. Step 2: Convert to fraction form
   1,665.13/2,496.98 = 740.31/x
3. Step 3: Cross multiply
   1,665.13x = 2,496.98 × 740.31
4. Step 4: Simplify right side
   1,665.13x = 1,848,541.11
5. Step 5: Solve for x
   x = 1,848,541.11/1,665.13
6. Step 6: Final answer
   x = 1,110.15