Finding the Fourth Proportional to 2,222.23, 3,066.60 and 1,277.99

Step by Step Solution

1. Step 1: Write the proportion equation
   2,222.23 : 3,066.60 = 1,277.99 : x
2. Step 2: Convert to fraction form
   2,222.23/3,066.60 = 1,277.99/x
3. Step 3: Cross multiply
   2,222.23x = 3,066.60 × 1,277.99
4. Step 4: Simplify right side
   2,222.23x = 3,919,084.13
5. Step 5: Solve for x
   x = 3,919,084.13/2,222.23
6. Step 6: Final answer
   x = 1,763.58