Finding the Fourth Proportional to 2,431.45, 3,647.23 and 788.00

Step by Step Solution

1. Step 1: Write the proportion equation
   2,431.45 : 3,647.23 = 788.00 : x
2. Step 2: Convert to fraction form
   2,431.45/3,647.23 = 788.00/x
3. Step 3: Cross multiply
   2,431.45x = 3,647.23 × 788.00
4. Step 4: Simplify right side
   2,431.45x = 2,873,997.03
5. Step 5: Solve for x
   x = 2,873,997.03/2,431.45
6. Step 6: Final answer
   x = 1,182.01