Finding the Fourth Proportional to 31,250.81, 43,126.16 and 17,103.69

Step by Step Solution

1. Step 1: Write the proportion equation
   31,250.81 : 43,126.16 = 17,103.69 : x
2. Step 2: Convert to fraction form
   31,250.81/43,126.16 = 17,103.69/x
3. Step 3: Cross multiply
   31,250.81x = 43,126.16 × 17,103.69
4. Step 4: Simplify right side
   31,250.81x = 737,616,386.01
5. Step 5: Solve for x
   x = 737,616,386.01/31,250.81
6. Step 6: Final answer
   x = 23,603.11