Finding the Fourth Proportional to 31,697.76, 43,742.89 and 17,550.60

Step by Step Solution

1. Step 1: Write the proportion equation
   31,697.76 : 43,742.89 = 17,550.60 : x
2. Step 2: Convert to fraction form
   31,697.76/43,742.89 = 17,550.60/x
3. Step 3: Cross multiply
   31,697.76x = 43,742.89 × 17,550.60
4. Step 4: Simplify right side
   31,697.76x = 767,713,847.44
5. Step 5: Solve for x
   x = 767,713,847.44/31,697.76
6. Step 6: Final answer
   x = 24,219.82