Finding the Fourth Proportional to 31,162.05, 43,004.43 and 17,015.76

Step by Step Solution

1. Step 1: Write the proportion equation
   31,162.05 : 43,004.43 = 17,015.76 : x
2. Step 2: Convert to fraction form
   31,162.05/43,004.43 = 17,015.76/x
3. Step 3: Cross multiply
   31,162.05x = 43,004.43 × 17,015.76
4. Step 4: Simplify right side
   31,162.05x = 731,753,059.82
5. Step 5: Solve for x
   x = 731,753,059.82/31,162.05
6. Step 6: Final answer
   x = 23,482.19