Finding the Fourth Proportional to 11,797.47, 16,281.96 and 7,019.78

Step by Step Solution

1. Step 1: Write the proportion equation
   11,797.47 : 16,281.96 = 7,019.78 : x
2. Step 2: Convert to fraction form
   11,797.47/16,281.96 = 7,019.78/x
3. Step 3: Cross multiply
   11,797.47x = 16,281.96 × 7,019.78
4. Step 4: Simplify right side
   11,797.47x = 114,295,695.76
5. Step 5: Solve for x
   x = 114,295,695.76/11,797.47
6. Step 6: Final answer
   x = 9,688.15