Finding the Fourth Proportional to 31,659.82, 43,697.80 and 18,238.84

Step by Step Solution

1. Step 1: Write the proportion equation
   31,659.82 : 43,697.80 = 18,238.84 : x
2. Step 2: Convert to fraction form
   31,659.82/43,697.80 = 18,238.84/x
3. Step 3: Cross multiply
   31,659.82x = 43,697.80 × 18,238.84
4. Step 4: Simplify right side
   31,659.82x = 796,997,182.55
5. Step 5: Solve for x
   x = 796,997,182.55/31,659.82
6. Step 6: Final answer
   x = 25,173.77