Finding the Fourth Proportional to 12,494.01, 18,726.03 and 5,821.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,494.01 : 18,726.03 = 5,821.50 : x
2. Step 2: Convert to fraction form
   12,494.01/18,726.03 = 5,821.50/x
3. Step 3: Cross multiply
   12,494.01x = 18,726.03 × 5,821.50
4. Step 4: Simplify right side
   12,494.01x = 109,013,583.65
5. Step 5: Solve for x
   x = 109,013,583.65/12,494.01
6. Step 6: Final answer
   x = 8,725.27