Finding the Fourth Proportional to 51,433.31, 70,984.53 and 28,773.56

Step by Step Solution

1. Step 1: Write the proportion equation
   51,433.31 : 70,984.53 = 28,773.56 : x
2. Step 2: Convert to fraction form
   51,433.31/70,984.53 = 28,773.56/x
3. Step 3: Cross multiply
   51,433.31x = 70,984.53 × 28,773.56
4. Step 4: Simplify right side
   51,433.31x = 2,042,477,633.03
5. Step 5: Solve for x
   x = 2,042,477,633.03/51,433.31
6. Step 6: Final answer
   x = 39,711.18