Finding the Fourth Proportional to 17,826.83, 24,601.03 and 9,869.57

Step by Step Solution

1. Step 1: Write the proportion equation
   17,826.83 : 24,601.03 = 9,869.57 : x
2. Step 2: Convert to fraction form
   17,826.83/24,601.03 = 9,869.57/x
3. Step 3: Cross multiply
   17,826.83x = 24,601.03 × 9,869.57
4. Step 4: Simplify right side
   17,826.83x = 242,801,415.30
5. Step 5: Solve for x
   x = 242,801,415.30/17,826.83
6. Step 6: Final answer
   x = 13,620.00