Finding the Fourth Proportional to 31,301.33, 43,194.39 and 17,153.87

Step by Step Solution

1. Step 1: Write the proportion equation
   31,301.33 : 43,194.39 = 17,153.87 : x
2. Step 2: Convert to fraction form
   31,301.33/43,194.39 = 17,153.87/x
3. Step 3: Cross multiply
   31,301.33x = 43,194.39 × 17,153.87
4. Step 4: Simplify right side
   31,301.33x = 740,950,734.82
5. Step 5: Solve for x
   x = 740,950,734.82/31,301.33
6. Step 6: Final answer
   x = 23,671.55