Finding the Fourth Proportional to 31,636.69, 43,656.92 and 17,488.63

Step by Step Solution

1. Step 1: Write the proportion equation
   31,636.69 : 43,656.92 = 17,488.63 : x
2. Step 2: Convert to fraction form
   31,636.69/43,656.92 = 17,488.63/x
3. Step 3: Cross multiply
   31,636.69x = 43,656.92 × 17,488.63
4. Step 4: Simplify right side
   31,636.69x = 763,499,720.82
5. Step 5: Solve for x
   x = 763,499,720.82/31,636.69
6. Step 6: Final answer
   x = 24,133.36