Finding the Fourth Proportional to 55,443, 76,512.96 and 30,294.12

Step by Step Solution

1. Step 1: Write the proportion equation
   55,443 : 76,512.96 = 30,294.12 : x
2. Step 2: Convert to fraction form
   55,443/76,512.96 = 30,294.12/x
3. Step 3: Cross multiply
   55,443x = 76,512.96 × 30,294.12
4. Step 4: Simplify right side
   55,443x = 2,317,892,791.80
5. Step 5: Solve for x
   x = 2,317,892,791.80/55,443
6. Step 6: Final answer
   x = 41,806.77