Finding the Fourth Proportional to 22,955.77, 31,697.72 and 18,707.59

Step by Step Solution

1. Step 1: Write the proportion equation
   22,955.77 : 31,697.72 = 18,707.59 : x
2. Step 2: Convert to fraction form
   22,955.77/31,697.72 = 18,707.59/x
3. Step 3: Cross multiply
   22,955.77x = 31,697.72 × 18,707.59
4. Step 4: Simplify right side
   22,955.77x = 592,987,949.69
5. Step 5: Solve for x
   x = 592,987,949.69/22,955.77
6. Step 6: Final answer
   x = 25,831.76