Finding the Fourth Proportional to 16,781.93, 23,153.30 and 10,406.22

Step by Step Solution

1. Step 1: Write the proportion equation
   16,781.93 : 23,153.30 = 10,406.22 : x
2. Step 2: Convert to fraction form
   16,781.93/23,153.30 = 10,406.22/x
3. Step 3: Cross multiply
   16,781.93x = 23,153.30 × 10,406.22
4. Step 4: Simplify right side
   16,781.93x = 240,938,333.53
5. Step 5: Solve for x
   x = 240,938,333.53/16,781.93
6. Step 6: Final answer
   x = 14,357.01