Finding the Fourth Proportional to 31,019.99, 46,502.37 and 14,357.15

Step by Step Solution

1. Step 1: Write the proportion equation
   31,019.99 : 46,502.37 = 14,357.15 : x
2. Step 2: Convert to fraction form
   31,019.99/46,502.37 = 14,357.15/x
3. Step 3: Cross multiply
   31,019.99x = 46,502.37 × 14,357.15
4. Step 4: Simplify right side
   31,019.99x = 667,641,501.45
5. Step 5: Solve for x
   x = 667,641,501.45/31,019.99
6. Step 6: Final answer
   x = 21,522.94