Finding the Fourth Proportional to 10,622.27, 14,652.27 and 7,642.15

Step by Step Solution

1. Step 1: Write the proportion equation
   10,622.27 : 14,652.27 = 7,642.15 : x
2. Step 2: Convert to fraction form
   10,622.27/14,652.27 = 7,642.15/x
3. Step 3: Cross multiply
   10,622.27x = 14,652.27 × 7,642.15
4. Step 4: Simplify right side
   10,622.27x = 111,974,808.55
5. Step 5: Solve for x
   x = 111,974,808.55/10,622.27
6. Step 6: Final answer
   x = 10,541.51