Finding the Fourth Proportional to 31,636.27, 43,655.86 and 17,488

Step by Step Solution

1. Step 1: Write the proportion equation
   31,636.27 : 43,655.86 = 17,488 : x
2. Step 2: Convert to fraction form
   31,636.27/43,655.86 = 17,488/x
3. Step 3: Cross multiply
   31,636.27x = 43,655.86 × 17,488
4. Step 4: Simplify right side
   31,636.27x = 763,453,679.68
5. Step 5: Solve for x
   x = 763,453,679.68/31,636.27
6. Step 6: Final answer
   x = 24,132.23