Finding the Fourth Proportional to 51,769.72, 71,398.29 and 43,742.76

Step by Step Solution

1. Step 1: Write the proportion equation
   51,769.72 : 71,398.29 = 43,742.76 : x
2. Step 2: Convert to fraction form
   51,769.72/71,398.29 = 43,742.76/x
3. Step 3: Cross multiply
   51,769.72x = 71,398.29 × 43,742.76
4. Step 4: Simplify right side
   51,769.72x = 3,123,158,263.88
5. Step 5: Solve for x
   x = 3,123,158,263.88/51,769.72
6. Step 6: Final answer
   x = 60,327.90