Finding the Fourth Proportional to 10,642, 14,679.30 and 7,653.10

Step by Step Solution

1. Step 1: Write the proportion equation
   10,642 : 14,679.30 = 7,653.10 : x
2. Step 2: Convert to fraction form
   10,642/14,679.30 = 7,653.10/x
3. Step 3: Cross multiply
   10,642x = 14,679.30 × 7,653.10
4. Step 4: Simplify right side
   10,642x = 112,342,150.83
5. Step 5: Solve for x
   x = 112,342,150.83/10,642
6. Step 6: Final answer
   x = 10,556.49