Finding the Fourth Proportional to 31,247.73, 43,121.86 and 17,100.56

Step by Step Solution

1. Step 1: Write the proportion equation
   31,247.73 : 43,121.86 = 17,100.56 : x
2. Step 2: Convert to fraction form
   31,247.73/43,121.86 = 17,100.56/x
3. Step 3: Cross multiply
   31,247.73x = 43,121.86 × 17,100.56
4. Step 4: Simplify right side
   31,247.73x = 737,408,019.29
5. Step 5: Solve for x
   x = 737,408,019.29/31,247.73
6. Step 6: Final answer
   x = 23,598.77