Finding the Fourth Proportional to 31,485.63, 43,449.98 and 17,338.38

Step by Step Solution

1. Step 1: Write the proportion equation
   31,485.63 : 43,449.98 = 17,338.38 : x
2. Step 2: Convert to fraction form
   31,485.63/43,449.98 = 17,338.38/x
3. Step 3: Cross multiply
   31,485.63x = 43,449.98 × 17,338.38
4. Step 4: Simplify right side
   31,485.63x = 753,352,264.23
5. Step 5: Solve for x
   x = 753,352,264.23/31,485.63
6. Step 6: Final answer
   x = 23,926.86