Finding the Fourth Proportional to 31,205.31, 43,063.34 and 17,058.15

Step by Step Solution

1. Step 1: Write the proportion equation
   31,205.31 : 43,063.34 = 17,058.15 : x
2. Step 2: Convert to fraction form
   31,205.31/43,063.34 = 17,058.15/x
3. Step 3: Cross multiply
   31,205.31x = 43,063.34 × 17,058.15
4. Step 4: Simplify right side
   31,205.31x = 734,580,913.22
5. Step 5: Solve for x
   x = 734,580,913.22/31,205.31
6. Step 6: Final answer
   x = 23,540.25