Finding the Fourth Proportional to 10,038.69, 15,059.25 and 9,485.87

Step by Step Solution

1. Step 1: Write the proportion equation
   10,038.69 : 15,059.25 = 9,485.87 : x
2. Step 2: Convert to fraction form
   10,038.69/15,059.25 = 9,485.87/x
3. Step 3: Cross multiply
   10,038.69x = 15,059.25 × 9,485.87
4. Step 4: Simplify right side
   10,038.69x = 142,850,012.50
5. Step 5: Solve for x
   x = 142,850,012.50/10,038.69
6. Step 6: Final answer
   x = 14,229.95