Finding the Fourth Proportional to 31,802.37, 43,888.59 and 17,655.21

Step by Step Solution

1. Step 1: Write the proportion equation
   31,802.37 : 43,888.59 = 17,655.21 : x
2. Step 2: Convert to fraction form
   31,802.37/43,888.59 = 17,655.21/x
3. Step 3: Cross multiply
   31,802.37x = 43,888.59 × 17,655.21
4. Step 4: Simplify right side
   31,802.37x = 774,862,273.05
5. Step 5: Solve for x
   x = 774,862,273.05/31,802.37
6. Step 6: Final answer
   x = 24,364.92