Finding the Fourth Proportional to 16,510.48, 22,784.04 and 9,058

Step by Step Solution

1. Step 1: Write the proportion equation
   16,510.48 : 22,784.04 = 9,058 : x
2. Step 2: Convert to fraction form
   16,510.48/22,784.04 = 9,058/x
3. Step 3: Cross multiply
   16,510.48x = 22,784.04 × 9,058
4. Step 4: Simplify right side
   16,510.48x = 206,377,834.32
5. Step 5: Solve for x
   x = 206,377,834.32/16,510.48
6. Step 6: Final answer
   x = 12,499.81