Finding the Fourth Proportional to 16,598.50, 22,905.93 and 9,146.50

Step by Step Solution

1. Step 1: Write the proportion equation
   16,598.50 : 22,905.93 = 9,146.50 : x
2. Step 2: Convert to fraction form
   16,598.50/22,905.93 = 9,146.50/x
3. Step 3: Cross multiply
   16,598.50x = 22,905.93 × 9,146.50
4. Step 4: Simplify right side
   16,598.50x = 209,509,088.75
5. Step 5: Solve for x
   x = 209,509,088.75/16,598.50
6. Step 6: Final answer
   x = 12,622.17