Finding the Fourth Proportional to 2,663.97, 3,996.50 and 933.81

Step by Step Solution

1. Step 1: Write the proportion equation
   2,663.97 : 3,996.50 = 933.81 : x
2. Step 2: Convert to fraction form
   2,663.97/3,996.50 = 933.81/x
3. Step 3: Cross multiply
   2,663.97x = 3,996.50 × 933.81
4. Step 4: Simplify right side
   2,663.97x = 3,731,967.00
5. Step 5: Solve for x
   x = 3,731,967.00/2,663.97
6. Step 6: Final answer
   x = 1,400.90