Finding the Fourth Proportional to 1,476.74, 2,219.16 and 1,380.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,476.74 : 2,219.16 = 1,380.42 : x
2. Step 2: Convert to fraction form
   1,476.74/2,219.16 = 1,380.42/x
3. Step 3: Cross multiply
   1,476.74x = 2,219.16 × 1,380.42
4. Step 4: Simplify right side
   1,476.74x = 3,063,372.85
5. Step 5: Solve for x
   x = 3,063,372.85/1,476.74
6. Step 6: Final answer
   x = 2,074.42