Finding the Fourth Proportional to 51,189.32, 76,784.46 and 50,100.68

Step by Step Solution

1. Step 1: Write the proportion equation
   51,189.32 : 76,784.46 = 50,100.68 : x
2. Step 2: Convert to fraction form
   51,189.32/76,784.46 = 50,100.68/x
3. Step 3: Cross multiply
   51,189.32x = 76,784.46 × 50,100.68
4. Step 4: Simplify right side
   51,189.32x = 3,846,953,659.43
5. Step 5: Solve for x
   x = 3,846,953,659.43/51,189.32
6. Step 6: Final answer
   x = 75,151.49