Finding the Fourth Proportional to 10,659.98, 15,996.89 and 4,816.64

Step by Step Solution

1. Step 1: Write the proportion equation
   10,659.98 : 15,996.89 = 4,816.64 : x
2. Step 2: Convert to fraction form
   10,659.98/15,996.89 = 4,816.64/x
3. Step 3: Cross multiply
   10,659.98x = 15,996.89 × 4,816.64
4. Step 4: Simplify right side
   10,659.98x = 77,051,312.28
5. Step 5: Solve for x
   x = 77,051,312.28/10,659.98
6. Step 6: Final answer
   x = 7,228.09