Finding the Fourth Proportional to 31,388.04, 47,297.99 and 25,963.47

Step by Step Solution

1. Step 1: Write the proportion equation
   31,388.04 : 47,297.99 = 25,963.47 : x
2. Step 2: Convert to fraction form
   31,388.04/47,297.99 = 25,963.47/x
3. Step 3: Cross multiply
   31,388.04x = 47,297.99 × 25,963.47
4. Step 4: Simplify right side
   31,388.04x = 1,228,020,009.33
5. Step 5: Solve for x
   x = 1,228,020,009.33/31,388.04
6. Step 6: Final answer
   x = 39,123.82