Finding the Fourth Proportional to 23,050.28, 31,796.58 and 15,105.32

Step by Step Solution

1. Step 1: Write the proportion equation
   23,050.28 : 31,796.58 = 15,105.32 : x
2. Step 2: Convert to fraction form
   23,050.28/31,796.58 = 15,105.32/x
3. Step 3: Cross multiply
   23,050.28x = 31,796.58 × 15,105.32
4. Step 4: Simplify right side
   23,050.28x = 480,297,515.81
5. Step 5: Solve for x
   x = 480,297,515.81/23,050.28
6. Step 6: Final answer
   x = 20,836.95