Finding the Fourth Proportional to 3,792.68, 5,681.51 and 1,788.63

Step by Step Solution

1. Step 1: Write the proportion equation
   3,792.68 : 5,681.51 = 1,788.63 : x
2. Step 2: Convert to fraction form
   3,792.68/5,681.51 = 1,788.63/x
3. Step 3: Cross multiply
   3,792.68x = 5,681.51 × 1,788.63
4. Step 4: Simplify right side
   3,792.68x = 10,162,095.69
5. Step 5: Solve for x
   x = 10,162,095.69/3,792.68
6. Step 6: Final answer
   x = 2,679.40