Finding the Fourth Proportional to 1,757.48, 2,634.06 and 782.48

Step by Step Solution

1. Step 1: Write the proportion equation
   1,757.48 : 2,634.06 = 782.48 : x
2. Step 2: Convert to fraction form
   1,757.48/2,634.06 = 782.48/x
3. Step 3: Cross multiply
   1,757.48x = 2,634.06 × 782.48
4. Step 4: Simplify right side
   1,757.48x = 2,061,099.27
5. Step 5: Solve for x
   x = 2,061,099.27/1,757.48
6. Step 6: Final answer
   x = 1,172.76