Finding the Fourth Proportional to 23,250.37, 32,085.24 and 12,639.76

Step by Step Solution

1. Step 1: Write the proportion equation
   23,250.37 : 32,085.24 = 12,639.76 : x
2. Step 2: Convert to fraction form
   23,250.37/32,085.24 = 12,639.76/x
3. Step 3: Cross multiply
   23,250.37x = 32,085.24 × 12,639.76
4. Step 4: Simplify right side
   23,250.37x = 405,549,733.14
5. Step 5: Solve for x
   x = 405,549,733.14/23,250.37
6. Step 6: Final answer
   x = 17,442.72