Finding the Fourth Proportional to 10,812.53, 16,111.31 and 9,633.47

Step by Step Solution

1. Step 1: Write the proportion equation
   10,812.53 : 16,111.31 = 9,633.47 : x
2. Step 2: Convert to fraction form
   10,812.53/16,111.31 = 9,633.47/x
3. Step 3: Cross multiply
   10,812.53x = 16,111.31 × 9,633.47
4. Step 4: Simplify right side
   10,812.53x = 155,207,692.82
5. Step 5: Solve for x
   x = 155,207,692.82/10,812.53
6. Step 6: Final answer
   x = 14,354.44