Finding the Fourth Proportional to 22,008.05, 33,015.72 and 10,915.10

Step by Step Solution

1. Step 1: Write the proportion equation
   22,008.05 : 33,015.72 = 10,915.10 : x
2. Step 2: Convert to fraction form
   22,008.05/33,015.72 = 10,915.10/x
3. Step 3: Cross multiply
   22,008.05x = 33,015.72 × 10,915.10
4. Step 4: Simplify right side
   22,008.05x = 360,369,885.37
5. Step 5: Solve for x
   x = 360,369,885.37/22,008.05
6. Step 6: Final answer
   x = 16,374.46