Finding the Fourth Proportional to 1,050.53, 1,451.72 and 788.09

Step by Step Solution

1. Step 1: Write the proportion equation
   1,050.53 : 1,451.72 = 788.09 : x
2. Step 2: Convert to fraction form
   1,050.53/1,451.72 = 788.09/x
3. Step 3: Cross multiply
   1,050.53x = 1,451.72 × 788.09
4. Step 4: Simplify right side
   1,050.53x = 1,144,080.73
5. Step 5: Solve for x
   x = 1,144,080.73/1,050.53
6. Step 6: Final answer
   x = 1,089.06