Finding the Fourth Proportional to 1,783.02, 2,460.33 and 997.05

Step by Step Solution

1. Step 1: Write the proportion equation
   1,783.02 : 2,460.33 = 997.05 : x
2. Step 2: Convert to fraction form
   1,783.02/2,460.33 = 997.05/x
3. Step 3: Cross multiply
   1,783.02x = 2,460.33 × 997.05
4. Step 4: Simplify right side
   1,783.02x = 2,453,072.03
5. Step 5: Solve for x
   x = 2,453,072.03/1,783.02
6. Step 6: Final answer
   x = 1,375.80