Finding the Fourth Proportional to 1,783.19, 2,460.89 and 997.23

Step by Step Solution

1. Step 1: Write the proportion equation
   1,783.19 : 2,460.89 = 997.23 : x
2. Step 2: Convert to fraction form
   1,783.19/2,460.89 = 997.23/x
3. Step 3: Cross multiply
   1,783.19x = 2,460.89 × 997.23
4. Step 4: Simplify right side
   1,783.19x = 2,454,068.35
5. Step 5: Solve for x
   x = 2,454,068.35/1,783.19
6. Step 6: Final answer
   x = 1,376.23