Finding the Fourth Proportional to 1,451.68, 2,003.27 and 788.53

Step by Step Solution

1. Step 1: Write the proportion equation
   1,451.68 : 2,003.27 = 788.53 : x
2. Step 2: Convert to fraction form
   1,451.68/2,003.27 = 788.53/x
3. Step 3: Cross multiply
   1,451.68x = 2,003.27 × 788.53
4. Step 4: Simplify right side
   1,451.68x = 1,579,628.88
5. Step 5: Solve for x
   x = 1,579,628.88/1,451.68
6. Step 6: Final answer
   x = 1,088.14