Finding the Fourth Proportional to 2,046.20, 3,071.98 and 1,214.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,046.20 : 3,071.98 = 1,214.78 : x
2. Step 2: Convert to fraction form
   2,046.20/3,071.98 = 1,214.78/x
3. Step 3: Cross multiply
   2,046.20x = 3,071.98 × 1,214.78
4. Step 4: Simplify right side
   2,046.20x = 3,731,779.86
5. Step 5: Solve for x
   x = 3,731,779.86/2,046.20
6. Step 6: Final answer
   x = 1,823.76