Finding the Fourth Proportional to 16,503.16, 22,775.95 and 9,428.22

Step by Step Solution

1. Step 1: Write the proportion equation
   16,503.16 : 22,775.95 = 9,428.22 : x
2. Step 2: Convert to fraction form
   16,503.16/22,775.95 = 9,428.22/x
3. Step 3: Cross multiply
   16,503.16x = 22,775.95 × 9,428.22
4. Step 4: Simplify right side
   16,503.16x = 214,736,667.31
5. Step 5: Solve for x
   x = 214,736,667.31/16,503.16
6. Step 6: Final answer
   x = 13,011.85