Finding the Fourth Proportional to 16,598.15, 22,905.45 and 9,146.15

Step by Step Solution

1. Step 1: Write the proportion equation
   16,598.15 : 22,905.45 = 9,146.15 : x
2. Step 2: Convert to fraction form
   16,598.15/22,905.45 = 9,146.15/x
3. Step 3: Cross multiply
   16,598.15x = 22,905.45 × 9,146.15
4. Step 4: Simplify right side
   16,598.15x = 209,496,681.52
5. Step 5: Solve for x
   x = 209,496,681.52/16,598.15
6. Step 6: Final answer
   x = 12,621.69