Finding the Fourth Proportional to 51,359.22, 76,931.39 and 41,309.69

Step by Step Solution

1. Step 1: Write the proportion equation
   51,359.22 : 76,931.39 = 41,309.69 : x
2. Step 2: Convert to fraction form
   51,359.22/76,931.39 = 41,309.69/x
3. Step 3: Cross multiply
   51,359.22x = 76,931.39 × 41,309.69
4. Step 4: Simplify right side
   51,359.22x = 3,178,011,280.96
5. Step 5: Solve for x
   x = 3,178,011,280.96/51,359.22
6. Step 6: Final answer
   x = 61,878.11