Finding the Fourth Proportional to 16,103.01, 22,218.63 and 15,572.06

Step by Step Solution

1. Step 1: Write the proportion equation
   16,103.01 : 22,218.63 = 15,572.06 : x
2. Step 2: Convert to fraction form
   16,103.01/22,218.63 = 15,572.06/x
3. Step 3: Cross multiply
   16,103.01x = 22,218.63 × 15,572.06
4. Step 4: Simplify right side
   16,103.01x = 345,989,650.52
5. Step 5: Solve for x
   x = 345,989,650.52/16,103.01
6. Step 6: Final answer
   x = 21,486.02