Finding the Fourth Proportional to 31,277, 43,162.26 and 17,130.35

Step by Step Solution

1. Step 1: Write the proportion equation
   31,277 : 43,162.26 = 17,130.35 : x
2. Step 2: Convert to fraction form
   31,277/43,162.26 = 17,130.35/x
3. Step 3: Cross multiply
   31,277x = 43,162.26 × 17,130.35
4. Step 4: Simplify right side
   31,277x = 739,384,620.59
5. Step 5: Solve for x
   x = 739,384,620.59/31,277
6. Step 6: Final answer
   x = 23,639.88