Finding the Fourth Proportional to 50,876.01, 76,338.59 and 31,143.87

Step by Step Solution

1. Step 1: Write the proportion equation
   50,876.01 : 76,338.59 = 31,143.87 : x
2. Step 2: Convert to fraction form
   50,876.01/76,338.59 = 31,143.87/x
3. Step 3: Cross multiply
   50,876.01x = 76,338.59 × 31,143.87
4. Step 4: Simplify right side
   50,876.01x = 2,377,478,967.22
5. Step 5: Solve for x
   x = 2,377,478,967.22/50,876.01
6. Step 6: Final answer
   x = 46,730.85