Finding the Fourth Proportional to 9,678.96, 13,352.04 and 5,699.88

Step by Step Solution

1. Step 1: Write the proportion equation
   9,678.96 : 13,352.04 = 5,699.88 : x
2. Step 2: Convert to fraction form
   9,678.96/13,352.04 = 5,699.88/x
3. Step 3: Cross multiply
   9,678.96x = 13,352.04 × 5,699.88
4. Step 4: Simplify right side
   9,678.96x = 76,105,025.76
5. Step 5: Solve for x
   x = 76,105,025.76/9,678.96
6. Step 6: Final answer
   x = 7,862.93