Finding the Fourth Proportional to 51,280.29, 70,785.90 and 30,077.33

Step by Step Solution

1. Step 1: Write the proportion equation
   51,280.29 : 70,785.90 = 30,077.33 : x
2. Step 2: Convert to fraction form
   51,280.29/70,785.90 = 30,077.33/x
3. Step 3: Cross multiply
   51,280.29x = 70,785.90 × 30,077.33
4. Step 4: Simplify right side
   51,280.29x = 2,129,050,519.72
5. Step 5: Solve for x
   x = 2,129,050,519.72/51,280.29
6. Step 6: Final answer
   x = 41,517.91