Finding the Fourth Proportional to 1,493.83, 2,062.29 and 997.21

Step by Step Solution

1. Step 1: Write the proportion equation
   1,493.83 : 2,062.29 = 997.21 : x
2. Step 2: Convert to fraction form
   1,493.83/2,062.29 = 997.21/x
3. Step 3: Cross multiply
   1,493.83x = 2,062.29 × 997.21
4. Step 4: Simplify right side
   1,493.83x = 2,056,536.21
5. Step 5: Solve for x
   x = 2,056,536.21/1,493.83
6. Step 6: Final answer
   x = 1,376.69