Finding the Fourth Proportional to 79,647.57, 109,876.86 and 51,362.37

Step by Step Solution

1. Step 1: Write the proportion equation
   79,647.57 : 109,876.86 = 51,362.37 : x
2. Step 2: Convert to fraction form
   79,647.57/109,876.86 = 51,362.37/x
3. Step 3: Cross multiply
   79,647.57x = 109,876.86 × 51,362.37
4. Step 4: Simplify right side
   79,647.57x = 5,643,535,937.76
5. Step 5: Solve for x
   x = 5,643,535,937.76/79,647.57
6. Step 6: Final answer
   x = 70,856.35