Finding the Fourth Proportional to 31,238.42, 46,864.54 and 14,589.38

Step by Step Solution

1. Step 1: Write the proportion equation
   31,238.42 : 46,864.54 = 14,589.38 : x
2. Step 2: Convert to fraction form
   31,238.42/46,864.54 = 14,589.38/x
3. Step 3: Cross multiply
   31,238.42x = 46,864.54 × 14,589.38
4. Step 4: Simplify right side
   31,238.42x = 683,724,582.59
5. Step 5: Solve for x
   x = 683,724,582.59/31,238.42
6. Step 6: Final answer
   x = 21,887.30