Finding the Fourth Proportional to 48,920.04, 67,550.98 and 31,046.76

Step by Step Solution

1. Step 1: Write the proportion equation
   48,920.04 : 67,550.98 = 31,046.76 : x
2. Step 2: Convert to fraction form
   48,920.04/67,550.98 = 31,046.76/x
3. Step 3: Cross multiply
   48,920.04x = 67,550.98 × 31,046.76
4. Step 4: Simplify right side
   48,920.04x = 2,097,239,063.82
5. Step 5: Solve for x
   x = 2,097,239,063.82/48,920.04
6. Step 6: Final answer
   x = 42,870.76