Finding the Fourth Proportional to 31,365.98, 43,284.76 and 17,218.52

Step by Step Solution

1. Step 1: Write the proportion equation
   31,365.98 : 43,284.76 = 17,218.52 : x
2. Step 2: Convert to fraction form
   31,365.98/43,284.76 = 17,218.52/x
3. Step 3: Cross multiply
   31,365.98x = 43,284.76 × 17,218.52
4. Step 4: Simplify right side
   31,365.98x = 745,299,505.76
5. Step 5: Solve for x
   x = 745,299,505.76/31,365.98
6. Step 6: Final answer
   x = 23,761.40