Finding the Fourth Proportional to 2,518.98, 3,477.77 and 1,623.17

Step by Step Solution

1. Step 1: Write the proportion equation
   2,518.98 : 3,477.77 = 1,623.17 : x
2. Step 2: Convert to fraction form
   2,518.98/3,477.77 = 1,623.17/x
3. Step 3: Cross multiply
   2,518.98x = 3,477.77 × 1,623.17
4. Step 4: Simplify right side
   2,518.98x = 5,645,011.93
5. Step 5: Solve for x
   x = 5,645,011.93/2,518.98
6. Step 6: Final answer
   x = 2,240.99