Finding the Fourth Proportional to 2,665.79, 3,998.67 and 934.01

Step by Step Solution

1. Step 1: Write the proportion equation
   2,665.79 : 3,998.67 = 934.01 : x
2. Step 2: Convert to fraction form
   2,665.79/3,998.67 = 934.01/x
3. Step 3: Cross multiply
   2,665.79x = 3,998.67 × 934.01
4. Step 4: Simplify right side
   2,665.79x = 3,734,777.77
5. Step 5: Solve for x
   x = 3,734,777.77/2,665.79
6. Step 6: Final answer
   x = 1,401.00