Finding the Fourth Proportional to 31,917.24, 47,875.83 and 31,871.10

Step by Step Solution

1. Step 1: Write the proportion equation
   31,917.24 : 47,875.83 = 31,871.10 : x
2. Step 2: Convert to fraction form
   31,917.24/47,875.83 = 31,871.10/x
3. Step 3: Cross multiply
   31,917.24x = 47,875.83 × 31,871.10
4. Step 4: Simplify right side
   31,917.24x = 1,525,855,365.51
5. Step 5: Solve for x
   x = 1,525,855,365.51/31,917.24
6. Step 6: Final answer
   x = 47,806.62