Finding the Fourth Proportional to 57,996.45, 80,016.39 and 34,128.99

Step by Step Solution

1. Step 1: Write the proportion equation
   57,996.45 : 80,016.39 = 34,128.99 : x
2. Step 2: Convert to fraction form
   57,996.45/80,016.39 = 34,128.99/x
3. Step 3: Cross multiply
   57,996.45x = 80,016.39 × 34,128.99
4. Step 4: Simplify right side
   57,996.45x = 2,730,878,574.15
5. Step 5: Solve for x
   x = 2,730,878,574.15/57,996.45
6. Step 6: Final answer
   x = 47,087.00