Finding the Fourth Proportional to 31,274.54, 43,165.56 and 19,941.42

Step by Step Solution

1. Step 1: Write the proportion equation
   31,274.54 : 43,165.56 = 19,941.42 : x
2. Step 2: Convert to fraction form
   31,274.54/43,165.56 = 19,941.42/x
3. Step 3: Cross multiply
   31,274.54x = 43,165.56 × 19,941.42
4. Step 4: Simplify right side
   31,274.54x = 860,782,561.50
5. Step 5: Solve for x
   x = 860,782,561.50/31,274.54
6. Step 6: Final answer
   x = 27,523.43