Finding the Fourth Proportional to 21,064.82, 31,601.38 and 7,024.67

Step by Step Solution

1. Step 1: Write the proportion equation
   21,064.82 : 31,601.38 = 7,024.67 : x
2. Step 2: Convert to fraction form
   21,064.82/31,601.38 = 7,024.67/x
3. Step 3: Cross multiply
   21,064.82x = 31,601.38 × 7,024.67
4. Step 4: Simplify right side
   21,064.82x = 221,989,090.48
5. Step 5: Solve for x
   x = 221,989,090.48/21,064.82
6. Step 6: Final answer
   x = 10,538.38