Finding the Fourth Proportional to 39,069.92, 53,901.60 and 23,150.72

Step by Step Solution

1. Step 1: Write the proportion equation
   39,069.92 : 53,901.60 = 23,150.72 : x
2. Step 2: Convert to fraction form
   39,069.92/53,901.60 = 23,150.72/x
3. Step 3: Cross multiply
   39,069.92x = 53,901.60 × 23,150.72
4. Step 4: Simplify right side
   39,069.92x = 1,247,860,849.15
5. Step 5: Solve for x
   x = 1,247,860,849.15/39,069.92
6. Step 6: Final answer
   x = 31,939.17