Finding the Fourth Proportional to 1,463.43, 2,018.77 and 991.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,463.43 : 2,018.77 = 991.34 : x
2. Step 2: Convert to fraction form
   1,463.43/2,018.77 = 991.34/x
3. Step 3: Cross multiply
   1,463.43x = 2,018.77 × 991.34
4. Step 4: Simplify right side
   1,463.43x = 2,001,274.88
5. Step 5: Solve for x
   x = 2,001,274.88/1,463.43
6. Step 6: Final answer
   x = 1,367.52