Finding the Fourth Proportional to 51,123.20, 70,577.69 and 35,856.62

Step by Step Solution

1. Step 1: Write the proportion equation
   51,123.20 : 70,577.69 = 35,856.62 : x
2. Step 2: Convert to fraction form
   51,123.20/70,577.69 = 35,856.62/x
3. Step 3: Cross multiply
   51,123.20x = 70,577.69 × 35,856.62
4. Step 4: Simplify right side
   51,123.20x = 2,530,677,410.81
5. Step 5: Solve for x
   x = 2,530,677,410.81/51,123.20
6. Step 6: Final answer
   x = 49,501.55