Finding the Fourth Proportional to 31,158.76, 46,730.58 and 10,379.56

Step by Step Solution

1. Step 1: Write the proportion equation
   31,158.76 : 46,730.58 = 10,379.56 : x
2. Step 2: Convert to fraction form
   31,158.76/46,730.58 = 10,379.56/x
3. Step 3: Cross multiply
   31,158.76x = 46,730.58 × 10,379.56
4. Step 4: Simplify right side
   31,158.76x = 485,042,858.94
5. Step 5: Solve for x
   x = 485,042,858.94/31,158.76
6. Step 6: Final answer
   x = 15,566.82