Finding the Fourth Proportional to 22,317.57, 30,798.53 and 12,245.83

Step by Step Solution

1. Step 1: Write the proportion equation
   22,317.57 : 30,798.53 = 12,245.83 : x
2. Step 2: Convert to fraction form
   22,317.57/30,798.53 = 12,245.83/x
3. Step 3: Cross multiply
   22,317.57x = 30,798.53 × 12,245.83
4. Step 4: Simplify right side
   22,317.57x = 377,153,424.40
5. Step 5: Solve for x
   x = 377,153,424.40/22,317.57
6. Step 6: Final answer
   x = 16,899.39