Finding the Fourth Proportional to 51,036.95, 70,434.92 and 28,377.83

Step by Step Solution

1. Step 1: Write the proportion equation
   51,036.95 : 70,434.92 = 28,377.83 : x
2. Step 2: Convert to fraction form
   51,036.95/70,434.92 = 28,377.83/x
3. Step 3: Cross multiply
   51,036.95x = 70,434.92 × 28,377.83
4. Step 4: Simplify right side
   51,036.95x = 1,998,790,185.82
5. Step 5: Solve for x
   x = 1,998,790,185.82/51,036.95
6. Step 6: Final answer
   x = 39,163.59