Finding the Fourth Proportional to 79,648.57, 109,878.24 and 51,363.37

Step by Step Solution

1. Step 1: Write the proportion equation
   79,648.57 : 109,878.24 = 51,363.37 : x
2. Step 2: Convert to fraction form
   79,648.57/109,878.24 = 51,363.37/x
3. Step 3: Cross multiply
   79,648.57x = 109,878.24 × 51,363.37
4. Step 4: Simplify right side
   79,648.57x = 5,643,716,696.07
5. Step 5: Solve for x
   x = 5,643,716,696.07/79,648.57
6. Step 6: Final answer
   x = 70,857.73