Finding the Fourth Proportional to 16,088.34, 22,201.98 and 9,378.57

Step by Step Solution

1. Step 1: Write the proportion equation
   16,088.34 : 22,201.98 = 9,378.57 : x
2. Step 2: Convert to fraction form
   16,088.34/22,201.98 = 9,378.57/x
3. Step 3: Cross multiply
   16,088.34x = 22,201.98 × 9,378.57
4. Step 4: Simplify right side
   16,088.34x = 208,222,823.57
5. Step 5: Solve for x
   x = 208,222,823.57/16,088.34
6. Step 6: Final answer
   x = 12,942.47