Finding the Fourth Proportional to 2,221.38, 3,066.39 and 1,337.03

Step by Step Solution

1. Step 1: Write the proportion equation
   2,221.38 : 3,066.39 = 1,337.03 : x
2. Step 2: Convert to fraction form
   2,221.38/3,066.39 = 1,337.03/x
3. Step 3: Cross multiply
   2,221.38x = 3,066.39 × 1,337.03
4. Step 4: Simplify right side
   2,221.38x = 4,099,840.09
5. Step 5: Solve for x
   x = 4,099,840.09/2,221.38
6. Step 6: Final answer
   x = 1,845.63