Finding the Fourth Proportional to 51,363.72, 70,834.50 and 39,427.56

Step by Step Solution

1. Step 1: Write the proportion equation
   51,363.72 : 70,834.50 = 39,427.56 : x
2. Step 2: Convert to fraction form
   51,363.72/70,834.50 = 39,427.56/x
3. Step 3: Cross multiply
   51,363.72x = 70,834.50 × 39,427.56
4. Step 4: Simplify right side
   51,363.72x = 2,792,831,498.82
5. Step 5: Solve for x
   x = 2,792,831,498.82/51,363.72
6. Step 6: Final answer
   x = 54,373.62