Finding the Fourth Proportional to 10,617.33, 14,653.53 and 7,643.01

Step by Step Solution

1. Step 1: Write the proportion equation
   10,617.33 : 14,653.53 = 7,643.01 : x
2. Step 2: Convert to fraction form
   10,617.33/14,653.53 = 7,643.01/x
3. Step 3: Cross multiply
   10,617.33x = 14,653.53 × 7,643.01
4. Step 4: Simplify right side
   10,617.33x = 111,997,076.33
5. Step 5: Solve for x
   x = 111,997,076.33/10,617.33
6. Step 6: Final answer
   x = 10,548.52