Finding the Fourth Proportional to 11,463.59, 15,796.04 and 9,216.45

Step by Step Solution

1. Step 1: Write the proportion equation
   11,463.59 : 15,796.04 = 9,216.45 : x
2. Step 2: Convert to fraction form
   11,463.59/15,796.04 = 9,216.45/x
3. Step 3: Cross multiply
   11,463.59x = 15,796.04 × 9,216.45
4. Step 4: Simplify right side
   11,463.59x = 145,583,366.78
5. Step 5: Solve for x
   x = 145,583,366.78/11,463.59
6. Step 6: Final answer
   x = 12,699.63