Finding the Fourth Proportional to 31,017.30, 42,813.56 and 17,597.50

Step by Step Solution

1. Step 1: Write the proportion equation
   31,017.30 : 42,813.56 = 17,597.50 : x
2. Step 2: Convert to fraction form
   31,017.30/42,813.56 = 17,597.50/x
3. Step 3: Cross multiply
   31,017.30x = 42,813.56 × 17,597.50
4. Step 4: Simplify right side
   31,017.30x = 753,411,622.10
5. Step 5: Solve for x
   x = 753,411,622.10/31,017.30
6. Step 6: Final answer
   x = 24,290.05