Finding the Fourth Proportional to 55,404.78, 76,452.57 and 31,529.22

Step by Step Solution

1. Step 1: Write the proportion equation
   55,404.78 : 76,452.57 = 31,529.22 : x
2. Step 2: Convert to fraction form
   55,404.78/76,452.57 = 31,529.22/x
3. Step 3: Cross multiply
   55,404.78x = 76,452.57 × 31,529.22
4. Step 4: Simplify right side
   55,404.78x = 2,410,489,899.10
5. Step 5: Solve for x
   x = 2,410,489,899.10/55,404.78
6. Step 6: Final answer
   x = 43,506.89