Finding the Fourth Proportional to 31,209.76, 43,069.89 and 17,062.57

Step by Step Solution

1. Step 1: Write the proportion equation
   31,209.76 : 43,069.89 = 17,062.57 : x
2. Step 2: Convert to fraction form
   31,209.76/43,069.89 = 17,062.57/x
3. Step 3: Cross multiply
   31,209.76x = 43,069.89 × 17,062.57
4. Step 4: Simplify right side
   31,209.76x = 734,883,013.02
5. Step 5: Solve for x
   x = 734,883,013.02/31,209.76
6. Step 6: Final answer
   x = 23,546.58