Finding the Fourth Proportional to 31,321.99, 46,978.21 and 10,264.22

Step by Step Solution

1. Step 1: Write the proportion equation
   31,321.99 : 46,978.21 = 10,264.22 : x
2. Step 2: Convert to fraction form
   31,321.99/46,978.21 = 10,264.22/x
3. Step 3: Cross multiply
   31,321.99x = 46,978.21 × 10,264.22
4. Step 4: Simplify right side
   31,321.99x = 482,194,636.75
5. Step 5: Solve for x
   x = 482,194,636.75/31,321.99
6. Step 6: Final answer
   x = 15,394.76