Finding the Fourth Proportional to 51,113.82, 70,546.86 and 28,757.82

Step by Step Solution

1. Step 1: Write the proportion equation
   51,113.82 : 70,546.86 = 28,757.82 : x
2. Step 2: Convert to fraction form
   51,113.82/70,546.86 = 28,757.82/x
3. Step 3: Cross multiply
   51,113.82x = 70,546.86 × 28,757.82
4. Step 4: Simplify right side
   51,113.82x = 2,028,773,901.45
5. Step 5: Solve for x
   x = 2,028,773,901.45/51,113.82
6. Step 6: Final answer
   x = 39,691.30