Finding the Fourth Proportional to 1,748.01, 2,619.72 and 823.41

Step by Step Solution

1. Step 1: Write the proportion equation
   1,748.01 : 2,619.72 = 823.41 : x
2. Step 2: Convert to fraction form
   1,748.01/2,619.72 = 823.41/x
3. Step 3: Cross multiply
   1,748.01x = 2,619.72 × 823.41
4. Step 4: Simplify right side
   1,748.01x = 2,157,103.65
5. Step 5: Solve for x
   x = 2,157,103.65/1,748.01
6. Step 6: Final answer
   x = 1,234.03