Finding the Fourth Proportional to 1,783.32, 2,460.83 and 997.22

Step by Step Solution

1. Step 1: Write the proportion equation
   1,783.32 : 2,460.83 = 997.22 : x
2. Step 2: Convert to fraction form
   1,783.32/2,460.83 = 997.22/x
3. Step 3: Cross multiply
   1,783.32x = 2,460.83 × 997.22
4. Step 4: Simplify right side
   1,783.32x = 2,453,971.60
5. Step 5: Solve for x
   x = 2,453,971.60/1,783.32
6. Step 6: Final answer
   x = 1,376.07