Finding the Fourth Proportional to 31,162.07, 46,748.57 and 13,403.63

Step by Step Solution

1. Step 1: Write the proportion equation
   31,162.07 : 46,748.57 = 13,403.63 : x
2. Step 2: Convert to fraction form
   31,162.07/46,748.57 = 13,403.63/x
3. Step 3: Cross multiply
   31,162.07x = 46,748.57 × 13,403.63
4. Step 4: Simplify right side
   31,162.07x = 626,600,359.90
5. Step 5: Solve for x
   x = 626,600,359.90/31,162.07
6. Step 6: Final answer
   x = 20,107.79