Finding the Fourth Proportional to 31,017.99, 46,499.37 and 14,355.15

Step by Step Solution

1. Step 1: Write the proportion equation
   31,017.99 : 46,499.37 = 14,355.15 : x
2. Step 2: Convert to fraction form
   31,017.99/46,499.37 = 14,355.15/x
3. Step 3: Cross multiply
   31,017.99x = 46,499.37 × 14,355.15
4. Step 4: Simplify right side
   31,017.99x = 667,505,431.26
5. Step 5: Solve for x
   x = 667,505,431.26/31,017.99
6. Step 6: Final answer
   x = 21,519.94