Finding the Fourth Proportional to 1,762.83, 2,645.10 and 788.67

Step by Step Solution

1. Step 1: Write the proportion equation
   1,762.83 : 2,645.10 = 788.67 : x
2. Step 2: Convert to fraction form
   1,762.83/2,645.10 = 788.67/x
3. Step 3: Cross multiply
   1,762.83x = 2,645.10 × 788.67
4. Step 4: Simplify right side
   1,762.83x = 2,086,111.02
5. Step 5: Solve for x
   x = 2,086,111.02/1,762.83
6. Step 6: Final answer
   x = 1,183.39