Finding the Fourth Proportional to 1,451.50, 2,003.06 and 788.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,451.50 : 2,003.06 = 788.37 : x
2. Step 2: Convert to fraction form
   1,451.50/2,003.06 = 788.37/x
3. Step 3: Cross multiply
   1,451.50x = 2,003.06 × 788.37
4. Step 4: Simplify right side
   1,451.50x = 1,579,152.41
5. Step 5: Solve for x
   x = 1,579,152.41/1,451.50
6. Step 6: Final answer
   x = 1,087.95