Finding the Fourth Proportional to 10,615.51, 14,639.16 and 7,028.83

Step by Step Solution

1. Step 1: Write the proportion equation
   10,615.51 : 14,639.16 = 7,028.83 : x
2. Step 2: Convert to fraction form
   10,615.51/14,639.16 = 7,028.83/x
3. Step 3: Cross multiply
   10,615.51x = 14,639.16 × 7,028.83
4. Step 4: Simplify right side
   10,615.51x = 102,896,166.98
5. Step 5: Solve for x
   x = 102,896,166.98/10,615.51
6. Step 6: Final answer
   x = 9,693.00