Finding the Fourth Proportional to 21,088.03, 31,635.89 and 7,046.72

Step by Step Solution

1. Step 1: Write the proportion equation
   21,088.03 : 31,635.89 = 7,046.72 : x
2. Step 2: Convert to fraction form
   21,088.03/31,635.89 = 7,046.72/x
3. Step 3: Cross multiply
   21,088.03x = 31,635.89 × 7,046.72
4. Step 4: Simplify right side
   21,088.03x = 222,929,258.78
5. Step 5: Solve for x
   x = 222,929,258.78/21,088.03
6. Step 6: Final answer
   x = 10,571.36