Finding the Fourth Proportional to 10,631, 15,834.20 and 10,075.88

Step by Step Solution

1. Step 1: Write the proportion equation
   10,631 : 15,834.20 = 10,075.88 : x
2. Step 2: Convert to fraction form
   10,631/15,834.20 = 10,075.88/x
3. Step 3: Cross multiply
   10,631x = 15,834.20 × 10,075.88
4. Step 4: Simplify right side
   10,631x = 159,543,499.10
5. Step 5: Solve for x
   x = 159,543,499.10/10,631
6. Step 6: Final answer
   x = 15,007.38