Finding the Fourth Proportional to 31,156.52, 46,724.72 and 13,382.42

Step by Step Solution

1. Step 1: Write the proportion equation
   31,156.52 : 46,724.72 = 13,382.42 : x
2. Step 2: Convert to fraction form
   31,156.52/46,724.72 = 13,382.42/x
3. Step 3: Cross multiply
   31,156.52x = 46,724.72 × 13,382.42
4. Step 4: Simplify right side
   31,156.52x = 625,289,526.89
5. Step 5: Solve for x
   x = 625,289,526.89/31,156.52
6. Step 6: Final answer
   x = 20,069.30