Finding the Fourth Proportional to 23,421.61, 35,131.33 and 8,629.52

Step by Step Solution

1. Step 1: Write the proportion equation
   23,421.61 : 35,131.33 = 8,629.52 : x
2. Step 2: Convert to fraction form
   23,421.61/35,131.33 = 8,629.52/x
3. Step 3: Cross multiply
   23,421.61x = 35,131.33 × 8,629.52
4. Step 4: Simplify right side
   23,421.61x = 303,166,471.71
5. Step 5: Solve for x
   x = 303,166,471.71/23,421.61
6. Step 6: Final answer
   x = 12,943.88