Finding the Fourth Proportional to 10,864.50, 14,999.78 and 7,467.36

Step by Step Solution

1. Step 1: Write the proportion equation
   10,864.50 : 14,999.78 = 7,467.36 : x
2. Step 2: Convert to fraction form
   10,864.50/14,999.78 = 7,467.36/x
3. Step 3: Cross multiply
   10,864.50x = 14,999.78 × 7,467.36
4. Step 4: Simplify right side
   10,864.50x = 112,008,719.84
5. Step 5: Solve for x
   x = 112,008,719.84/10,864.50
6. Step 6: Final answer
   x = 10,309.61