Finding the Fourth Proportional to 21,049.16, 31,566.83 and 7,005.33

Step by Step Solution

1. Step 1: Write the proportion equation
   21,049.16 : 31,566.83 = 7,005.33 : x
2. Step 2: Convert to fraction form
   21,049.16/31,566.83 = 7,005.33/x
3. Step 3: Cross multiply
   21,049.16x = 31,566.83 × 7,005.33
4. Step 4: Simplify right side
   21,049.16x = 221,136,026.18
5. Step 5: Solve for x
   x = 221,136,026.18/21,049.16
6. Step 6: Final answer
   x = 10,505.70