Finding the Fourth Proportional to 22,738.09, 31,151.33 and 21,885.84

Step by Step Solution

1. Step 1: Write the proportion equation
   22,738.09 : 31,151.33 = 21,885.84 : x
2. Step 2: Convert to fraction form
   22,738.09/31,151.33 = 21,885.84/x
3. Step 3: Cross multiply
   22,738.09x = 31,151.33 × 21,885.84
4. Step 4: Simplify right side
   22,738.09x = 681,773,024.17
5. Step 5: Solve for x
   x = 681,773,024.17/22,738.09
6. Step 6: Final answer
   x = 29,983.74