Finding the Fourth Proportional to 31,443.77, 43,392.98 and 17,103.89

Step by Step Solution

1. Step 1: Write the proportion equation
   31,443.77 : 43,392.98 = 17,103.89 : x
2. Step 2: Convert to fraction form
   31,443.77/43,392.98 = 17,103.89/x
3. Step 3: Cross multiply
   31,443.77x = 43,392.98 × 17,103.89
4. Step 4: Simplify right side
   31,443.77x = 742,188,756.69
5. Step 5: Solve for x
   x = 742,188,756.69/31,443.77
6. Step 6: Final answer
   x = 23,603.68