Finding the Fourth Proportional to 23,250.87, 32,086.51 and 12,640.72

Step by Step Solution

1. Step 1: Write the proportion equation
   23,250.87 : 32,086.51 = 12,640.72 : x
2. Step 2: Convert to fraction form
   23,250.87/32,086.51 = 12,640.72/x
3. Step 3: Cross multiply
   23,250.87x = 32,086.51 × 12,640.72
4. Step 4: Simplify right side
   23,250.87x = 405,596,588.69
5. Step 5: Solve for x
   x = 405,596,588.69/23,250.87
6. Step 6: Final answer
   x = 17,444.36