Finding the Fourth Proportional to 10,007.47, 13,811.48 and 8,325.91

Step by Step Solution

1. Step 1: Write the proportion equation
   10,007.47 : 13,811.48 = 8,325.91 : x
2. Step 2: Convert to fraction form
   10,007.47/13,811.48 = 8,325.91/x
3. Step 3: Cross multiply
   10,007.47x = 13,811.48 × 8,325.91
4. Step 4: Simplify right side
   10,007.47x = 114,993,139.45
5. Step 5: Solve for x
   x = 114,993,139.45/10,007.47
6. Step 6: Final answer
   x = 11,490.73