Finding the Fourth Proportional to 58,016, 80,062.56 and 31,520

Step by Step Solution

1. Step 1: Write the proportion equation
   58,016 : 80,062.56 = 31,520 : x
2. Step 2: Convert to fraction form
   58,016/80,062.56 = 31,520/x
3. Step 3: Cross multiply
   58,016x = 80,062.56 × 31,520
4. Step 4: Simplify right side
   58,016x = 2,523,571,891.20
5. Step 5: Solve for x
   x = 2,523,571,891.20/58,016
6. Step 6: Final answer
   x = 43,497.86