Finding the Fourth Proportional to 16,145.10, 22,279.37 and 9,071.06

Step by Step Solution

1. Step 1: Write the proportion equation
   16,145.10 : 22,279.37 = 9,071.06 : x
2. Step 2: Convert to fraction form
   16,145.10/22,279.37 = 9,071.06/x
3. Step 3: Cross multiply
   16,145.10x = 22,279.37 × 9,071.06
4. Step 4: Simplify right side
   16,145.10x = 202,097,580.41
5. Step 5: Solve for x
   x = 202,097,580.41/16,145.10
6. Step 6: Final answer
   x = 12,517.58