Finding the Fourth Proportional to 22,998.15, 31,738.91 and 15,061.77

Step by Step Solution

1. Step 1: Write the proportion equation
   22,998.15 : 31,738.91 = 15,061.77 : x
2. Step 2: Convert to fraction form
   22,998.15/31,738.91 = 15,061.77/x
3. Step 3: Cross multiply
   22,998.15x = 31,738.91 × 15,061.77
4. Step 4: Simplify right side
   22,998.15x = 478,044,087.16
5. Step 5: Solve for x
   x = 478,044,087.16/22,998.15
6. Step 6: Final answer
   x = 20,786.20