Finding the Fourth Proportional to 31,200.05, 43,051.10 and 17,771.57

Step by Step Solution

1. Step 1: Write the proportion equation
   31,200.05 : 43,051.10 = 17,771.57 : x
2. Step 2: Convert to fraction form
   31,200.05/43,051.10 = 17,771.57/x
3. Step 3: Cross multiply
   31,200.05x = 43,051.10 × 17,771.57
4. Step 4: Simplify right side
   31,200.05x = 765,085,494.56
5. Step 5: Solve for x
   x = 765,085,494.56/31,200.05
6. Step 6: Final answer
   x = 24,521.93