Finding the Fourth Proportional to 31,345.05, 46,984.56 and 10,279.62

Step by Step Solution

1. Step 1: Write the proportion equation
   31,345.05 : 46,984.56 = 10,279.62 : x
2. Step 2: Convert to fraction form
   31,345.05/46,984.56 = 10,279.62/x
3. Step 3: Cross multiply
   31,345.05x = 46,984.56 × 10,279.62
4. Step 4: Simplify right side
   31,345.05x = 482,983,422.67
5. Step 5: Solve for x
   x = 482,983,422.67/31,345.05
6. Step 6: Final answer
   x = 15,408.60