Finding the Fourth Proportional to 16,004.52, 22,086.54 and 9,290.70

Step by Step Solution

1. Step 1: Write the proportion equation
   16,004.52 : 22,086.54 = 9,290.70 : x
2. Step 2: Convert to fraction form
   16,004.52/22,086.54 = 9,290.70/x
3. Step 3: Cross multiply
   16,004.52x = 22,086.54 × 9,290.70
4. Step 4: Simplify right side
   16,004.52x = 205,199,417.18
5. Step 5: Solve for x
   x = 205,199,417.18/16,004.52
6. Step 6: Final answer
   x = 12,821.34