Finding the Fourth Proportional to 2,221.76, 3,066.36 and 1,337.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,221.76 : 3,066.36 = 1,337.96 : x
2. Step 2: Convert to fraction form
   2,221.76/3,066.36 = 1,337.96/x
3. Step 3: Cross multiply
   2,221.76x = 3,066.36 × 1,337.96
4. Step 4: Simplify right side
   2,221.76x = 4,102,667.03
5. Step 5: Solve for x
   x = 4,102,667.03/2,221.76
6. Step 6: Final answer
   x = 1,846.58