Finding the Fourth Proportional to 31,405.37, 43,336.89 and 17,973.54

Step by Step Solution

1. Step 1: Write the proportion equation
   31,405.37 : 43,336.89 = 17,973.54 : x
2. Step 2: Convert to fraction form
   31,405.37/43,336.89 = 17,973.54/x
3. Step 3: Cross multiply
   31,405.37x = 43,336.89 × 17,973.54
4. Step 4: Simplify right side
   31,405.37x = 778,917,325.89
5. Step 5: Solve for x
   x = 778,917,325.89/31,405.37
6. Step 6: Final answer
   x = 24,802.05