Finding the Fourth Proportional to 3,061.61, 4,589.72 and 1,214.03

Step by Step Solution

1. Step 1: Write the proportion equation
   3,061.61 : 4,589.72 = 1,214.03 : x
2. Step 2: Convert to fraction form
   3,061.61/4,589.72 = 1,214.03/x
3. Step 3: Cross multiply
   3,061.61x = 4,589.72 × 1,214.03
4. Step 4: Simplify right side
   3,061.61x = 5,572,037.86
5. Step 5: Solve for x
   x = 5,572,037.86/3,061.61
6. Step 6: Final answer
   x = 1,819.97