Finding the Fourth Proportional to 31,408.95, 43,344.72 and 17,261.82

Step by Step Solution

1. Step 1: Write the proportion equation
   31,408.95 : 43,344.72 = 17,261.82 : x
2. Step 2: Convert to fraction form
   31,408.95/43,344.72 = 17,261.82/x
3. Step 3: Cross multiply
   31,408.95x = 43,344.72 × 17,261.82
4. Step 4: Simplify right side
   31,408.95x = 748,208,754.59
5. Step 5: Solve for x
   x = 748,208,754.59/31,408.95
6. Step 6: Final answer
   x = 23,821.51