Finding the Fourth Proportional to 1,788.55, 2,681.94 and 748.24

Step by Step Solution

1. Step 1: Write the proportion equation
   1,788.55 : 2,681.94 = 748.24 : x
2. Step 2: Convert to fraction form
   1,788.55/2,681.94 = 748.24/x
3. Step 3: Cross multiply
   1,788.55x = 2,681.94 × 748.24
4. Step 4: Simplify right side
   1,788.55x = 2,006,721.38
5. Step 5: Solve for x
   x = 2,006,721.38/1,788.55
6. Step 6: Final answer
   x = 1,121.99