Finding the Fourth Proportional to 1,754.73, 2,630.48 and 780.03

Step by Step Solution

1. Step 1: Write the proportion equation
   1,754.73 : 2,630.48 = 780.03 : x
2. Step 2: Convert to fraction form
   1,754.73/2,630.48 = 780.03/x
3. Step 3: Cross multiply
   1,754.73x = 2,630.48 × 780.03
4. Step 4: Simplify right side
   1,754.73x = 2,051,849.41
5. Step 5: Solve for x
   x = 2,051,849.41/1,754.73
6. Step 6: Final answer
   x = 1,169.32