Finding the Fourth Proportional to 55,609.50, 76,741.38 and 30,459

Step by Step Solution

1. Step 1: Write the proportion equation
   55,609.50 : 76,741.38 = 30,459 : x
2. Step 2: Convert to fraction form
   55,609.50/76,741.38 = 30,459/x
3. Step 3: Cross multiply
   55,609.50x = 76,741.38 × 30,459
4. Step 4: Simplify right side
   55,609.50x = 2,337,465,693.42
5. Step 5: Solve for x
   x = 2,337,465,693.42/55,609.50
6. Step 6: Final answer
   x = 42,033.57