Finding the Fourth Proportional to 10,464.53, 15,662.61 and 7,690.46

Step by Step Solution

1. Step 1: Write the proportion equation
   10,464.53 : 15,662.61 = 7,690.46 : x
2. Step 2: Convert to fraction form
   10,464.53/15,662.61 = 7,690.46/x
3. Step 3: Cross multiply
   10,464.53x = 15,662.61 × 7,690.46
4. Step 4: Simplify right side
   10,464.53x = 120,452,597.39
5. Step 5: Solve for x
   x = 120,452,597.39/10,464.53
6. Step 6: Final answer
   x = 11,510.57