Finding the Fourth Proportional to 2,220.41, 3,066.05 and 1,381.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,220.41 : 3,066.05 = 1,381.46 : x
2. Step 2: Convert to fraction form
   2,220.41/3,066.05 = 1,381.46/x
3. Step 3: Cross multiply
   2,220.41x = 3,066.05 × 1,381.46
4. Step 4: Simplify right side
   2,220.41x = 4,235,613.56
5. Step 5: Solve for x
   x = 4,235,613.56/2,220.41
6. Step 6: Final answer
   x = 1,907.58