Finding the Fourth Proportional to 1,783.22, 2,460.86 and 997.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,783.22 : 2,460.86 = 997.18 : x
2. Step 2: Convert to fraction form
   1,783.22/2,460.86 = 997.18/x
3. Step 3: Cross multiply
   1,783.22x = 2,460.86 × 997.18
4. Step 4: Simplify right side
   1,783.22x = 2,453,920.37
5. Step 5: Solve for x
   x = 2,453,920.37/1,783.22
6. Step 6: Final answer
   x = 1,376.12