Finding the Fourth Proportional to 1,788.75, 2,684.83 and 748.47

Step by Step Solution

1. Step 1: Write the proportion equation
   1,788.75 : 2,684.83 = 748.47 : x
2. Step 2: Convert to fraction form
   1,788.75/2,684.83 = 748.47/x
3. Step 3: Cross multiply
   1,788.75x = 2,684.83 × 748.47
4. Step 4: Simplify right side
   1,788.75x = 2,009,514.71
5. Step 5: Solve for x
   x = 2,009,514.71/1,788.75
6. Step 6: Final answer
   x = 1,123.42