Finding the Fourth Proportional to 16,499.96, 22,746.90 and 13,972.04

Step by Step Solution

1. Step 1: Write the proportion equation
   16,499.96 : 22,746.90 = 13,972.04 : x
2. Step 2: Convert to fraction form
   16,499.96/22,746.90 = 13,972.04/x
3. Step 3: Cross multiply
   16,499.96x = 22,746.90 × 13,972.04
4. Step 4: Simplify right side
   16,499.96x = 317,820,596.68
5. Step 5: Solve for x
   x = 317,820,596.68/16,499.96
6. Step 6: Final answer
   x = 19,261.90