Finding the Fourth Proportional to 1,637.89, 2,259.77 and 929.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,637.89 : 2,259.77 = 929.69 : x
2. Step 2: Convert to fraction form
   1,637.89/2,259.77 = 929.69/x
3. Step 3: Cross multiply
   1,637.89x = 2,259.77 × 929.69
4. Step 4: Simplify right side
   1,637.89x = 2,100,890.81
5. Step 5: Solve for x
   x = 2,100,890.81/1,637.89
6. Step 6: Final answer
   x = 1,282.68