Finding the Fourth Proportional to 16,145.01, 22,280.81 and 9,071.45

Step by Step Solution

1. Step 1: Write the proportion equation
   16,145.01 : 22,280.81 = 9,071.45 : x
2. Step 2: Convert to fraction form
   16,145.01/22,280.81 = 9,071.45/x
3. Step 3: Cross multiply
   16,145.01x = 22,280.81 × 9,071.45
4. Step 4: Simplify right side
   16,145.01x = 202,119,253.87
5. Step 5: Solve for x
   x = 202,119,253.87/16,145.01
6. Step 6: Final answer
   x = 12,518.99