Finding the Fourth Proportional to 31,209.92, 43,069.69 and 17,062.76

Step by Step Solution

1. Step 1: Write the proportion equation
   31,209.92 : 43,069.69 = 17,062.76 : x
2. Step 2: Convert to fraction form
   31,209.92/43,069.69 = 17,062.76/x
3. Step 3: Cross multiply
   31,209.92x = 43,069.69 × 17,062.76
4. Step 4: Simplify right side
   31,209.92x = 734,887,848.76
5. Step 5: Solve for x
   x = 734,887,848.76/31,209.92
6. Step 6: Final answer
   x = 23,546.61