Finding the Fourth Proportional to 2,773.40, 3,824.74 and 2,066.99

Step by Step Solution

1. Step 1: Write the proportion equation
   2,773.40 : 3,824.74 = 2,066.99 : x
2. Step 2: Convert to fraction form
   2,773.40/3,824.74 = 2,066.99/x
3. Step 3: Cross multiply
   2,773.40x = 3,824.74 × 2,066.99
4. Step 4: Simplify right side
   2,773.40x = 7,905,699.33
5. Step 5: Solve for x
   x = 7,905,699.33/2,773.40
6. Step 6: Final answer
   x = 2,850.54