Finding the Fourth Proportional to 10,838.52, 16,161.27 and 10,817.85

Step by Step Solution

1. Step 1: Write the proportion equation
   10,838.52 : 16,161.27 = 10,817.85 : x
2. Step 2: Convert to fraction form
   10,838.52/16,161.27 = 10,817.85/x
3. Step 3: Cross multiply
   10,838.52x = 16,161.27 × 10,817.85
4. Step 4: Simplify right side
   10,838.52x = 174,830,194.67
5. Step 5: Solve for x
   x = 174,830,194.67/10,838.52
6. Step 6: Final answer
   x = 16,130.45