Finding the Fourth Proportional to 10,647.69, 14,686.01 and 7,056.15

Step by Step Solution

1. Step 1: Write the proportion equation
   10,647.69 : 14,686.01 = 7,056.15 : x
2. Step 2: Convert to fraction form
   10,647.69/14,686.01 = 7,056.15/x
3. Step 3: Cross multiply
   10,647.69x = 14,686.01 × 7,056.15
4. Step 4: Simplify right side
   10,647.69x = 103,626,580.75
5. Step 5: Solve for x
   x = 103,626,580.75/10,647.69
6. Step 6: Final answer
   x = 9,732.31