Finding the Fourth Proportional to 1,452.00, 2,003.80 and 788.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,452.00 : 2,003.80 = 788.89 : x
2. Step 2: Convert to fraction form
   1,452.00/2,003.80 = 788.89/x
3. Step 3: Cross multiply
   1,452.00x = 2,003.80 × 788.89
4. Step 4: Simplify right side
   1,452.00x = 1,580,778.31
5. Step 5: Solve for x
   x = 1,580,778.31/1,452.00
6. Step 6: Final answer
   x = 1,088.69