Finding the Fourth Proportional to 1,637.51, 2,456.69 and 541.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,637.51 : 2,456.69 = 541.89 : x
2. Step 2: Convert to fraction form
   1,637.51/2,456.69 = 541.89/x
3. Step 3: Cross multiply
   1,637.51x = 2,456.69 × 541.89
4. Step 4: Simplify right side
   1,637.51x = 1,331,253.03
5. Step 5: Solve for x
   x = 1,331,253.03/1,637.51
6. Step 6: Final answer
   x = 812.98