Finding the Fourth Proportional to 51,016.77, 70,400.18 and 28,354.46

Step by Step Solution

1. Step 1: Write the proportion equation
   51,016.77 : 70,400.18 = 28,354.46 : x
2. Step 2: Convert to fraction form
   51,016.77/70,400.18 = 28,354.46/x
3. Step 3: Cross multiply
   51,016.77x = 70,400.18 × 28,354.46
4. Step 4: Simplify right side
   51,016.77x = 1,996,158,806.69
5. Step 5: Solve for x
   x = 1,996,158,806.69/51,016.77
6. Step 6: Final answer
   x = 39,127.50