Finding the Fourth Proportional to 31,448.93, 43,398.72 and 17,108.15

Step by Step Solution

1. Step 1: Write the proportion equation
   31,448.93 : 43,398.72 = 17,108.15 : x
2. Step 2: Convert to fraction form
   31,448.93/43,398.72 = 17,108.15/x
3. Step 3: Cross multiply
   31,448.93x = 43,398.72 × 17,108.15
4. Step 4: Simplify right side
   31,448.93x = 742,471,594.57
5. Step 5: Solve for x
   x = 742,471,594.57/31,448.93
6. Step 6: Final answer
   x = 23,608.81