Finding the Fourth Proportional to 51,433.98, 70,972.83 and 28,774.14

Step by Step Solution

1. Step 1: Write the proportion equation
   51,433.98 : 70,972.83 = 28,774.14 : x
2. Step 2: Convert to fraction form
   51,433.98/70,972.83 = 28,774.14/x
3. Step 3: Cross multiply
   51,433.98x = 70,972.83 × 28,774.14
4. Step 4: Simplify right side
   51,433.98x = 2,042,182,146.62
5. Step 5: Solve for x
   x = 2,042,182,146.62/51,433.98
6. Step 6: Final answer
   x = 39,704.92