Finding the Fourth Proportional to 31,259.34, 43,137.90 and 17,113.08

Step by Step Solution

1. Step 1: Write the proportion equation
   31,259.34 : 43,137.90 = 17,113.08 : x
2. Step 2: Convert to fraction form
   31,259.34/43,137.90 = 17,113.08/x
3. Step 3: Cross multiply
   31,259.34x = 43,137.90 × 17,113.08
4. Step 4: Simplify right side
   31,259.34x = 738,222,333.73
5. Step 5: Solve for x
   x = 738,222,333.73/31,259.34
6. Step 6: Final answer
   x = 23,616.06