Finding the Fourth Proportional to 51,404.86, 76,639.01 and 50,112.10

Step by Step Solution

1. Step 1: Write the proportion equation
   51,404.86 : 76,639.01 = 50,112.10 : x
2. Step 2: Convert to fraction form
   51,404.86/76,639.01 = 50,112.10/x
3. Step 3: Cross multiply
   51,404.86x = 76,639.01 × 50,112.10
4. Step 4: Simplify right side
   51,404.86x = 3,840,541,733.02
5. Step 5: Solve for x
   x = 3,840,541,733.02/51,404.86
6. Step 6: Final answer
   x = 74,711.65