Finding the Fourth Proportional to 16,015.16, 22,100.80 and 9,301.08

Step by Step Solution

1. Step 1: Write the proportion equation
   16,015.16 : 22,100.80 = 9,301.08 : x
2. Step 2: Convert to fraction form
   16,015.16/22,100.80 = 9,301.08/x
3. Step 3: Cross multiply
   16,015.16x = 22,100.80 × 9,301.08
4. Step 4: Simplify right side
   16,015.16x = 205,561,308.86
5. Step 5: Solve for x
   x = 205,561,308.86/16,015.16
6. Step 6: Final answer
   x = 12,835.42