Finding the Fourth Proportional to 55,558.72, 76,708.16 and 32,905

Step by Step Solution

1. Step 1: Write the proportion equation
   55,558.72 : 76,708.16 = 32,905 : x
2. Step 2: Convert to fraction form
   55,558.72/76,708.16 = 32,905/x
3. Step 3: Cross multiply
   55,558.72x = 76,708.16 × 32,905
4. Step 4: Simplify right side
   55,558.72x = 2,524,082,004.80
5. Step 5: Solve for x
   x = 2,524,082,004.80/55,558.72
6. Step 6: Final answer
   x = 45,430.89