Finding the Fourth Proportional to 878,150.72, 1,211,847.52 and 475,742.72

Step by Step Solution

1. Step 1: Write the proportion equation
   878,150.72 : 1,211,847.52 = 475,742.72 : x
2. Step 2: Convert to fraction form
   878,150.72/1,211,847.52 = 475,742.72/x
3. Step 3: Cross multiply
   878,150.72x = 1,211,847.52 × 475,742.72
4. Step 4: Simplify right side
   878,150.72x = 576,527,635,390.05
5. Step 5: Solve for x
   x = 576,527,635,390.05/878,150.72
6. Step 6: Final answer
   x = 656,524.70