Finding the Fourth Proportional to 2,218.93, 3,061.56 and 1,628.44

Step by Step Solution

1. Step 1: Write the proportion equation
   2,218.93 : 3,061.56 = 1,628.44 : x
2. Step 2: Convert to fraction form
   2,218.93/3,061.56 = 1,628.44/x
3. Step 3: Cross multiply
   2,218.93x = 3,061.56 × 1,628.44
4. Step 4: Simplify right side
   2,218.93x = 4,985,566.77
5. Step 5: Solve for x
   x = 4,985,566.77/2,218.93
6. Step 6: Final answer
   x = 2,246.83