Finding the Fourth Proportional to 55,401.56, 76,454.24 and 31,528.43

Step by Step Solution

1. Step 1: Write the proportion equation
   55,401.56 : 76,454.24 = 31,528.43 : x
2. Step 2: Convert to fraction form
   55,401.56/76,454.24 = 31,528.43/x
3. Step 3: Cross multiply
   55,401.56x = 76,454.24 × 31,528.43
4. Step 4: Simplify right side
   55,401.56x = 2,410,481,614.13
5. Step 5: Solve for x
   x = 2,410,481,614.13/55,401.56
6. Step 6: Final answer
   x = 43,509.28