Finding the Fourth Proportional to 1,451.96, 2,003.71 and 788.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,451.96 : 2,003.71 = 788.82 : x
2. Step 2: Convert to fraction form
   1,451.96/2,003.71 = 788.82/x
3. Step 3: Cross multiply
   1,451.96x = 2,003.71 × 788.82
4. Step 4: Simplify right side
   1,451.96x = 1,580,566.52
5. Step 5: Solve for x
   x = 1,580,566.52/1,451.96
6. Step 6: Final answer
   x = 1,088.57