Finding the Fourth Proportional to 9,688.84, 14,535.69 and 3,115.69

Step by Step Solution

1. Step 1: Write the proportion equation
   9,688.84 : 14,535.69 = 3,115.69 : x
2. Step 2: Convert to fraction form
   9,688.84/14,535.69 = 3,115.69/x
3. Step 3: Cross multiply
   9,688.84x = 14,535.69 × 3,115.69
4. Step 4: Simplify right side
   9,688.84x = 45,288,703.98
5. Step 5: Solve for x
   x = 45,288,703.98/9,688.84
6. Step 6: Final answer
   x = 4,674.32