Finding the Fourth Proportional to 31,744.46, 43,807.85 and 17,405.60

Step by Step Solution

1. Step 1: Write the proportion equation
   31,744.46 : 43,807.85 = 17,405.60 : x
2. Step 2: Convert to fraction form
   31,744.46/43,807.85 = 17,405.60/x
3. Step 3: Cross multiply
   31,744.46x = 43,807.85 × 17,405.60
4. Step 4: Simplify right side
   31,744.46x = 762,501,607.89
5. Step 5: Solve for x
   x = 762,501,607.89/31,744.46
6. Step 6: Final answer
   x = 24,019.99