Finding the Fourth Proportional to 37,818.30, 52,198.23 and 21,911.46

Step by Step Solution

1. Step 1: Write the proportion equation
   37,818.30 : 52,198.23 = 21,911.46 : x
2. Step 2: Convert to fraction form
   37,818.30/52,198.23 = 21,911.46/x
3. Step 3: Cross multiply
   37,818.30x = 52,198.23 × 21,911.46
4. Step 4: Simplify right side
   37,818.30x = 1,143,739,428.72
5. Step 5: Solve for x
   x = 1,143,739,428.72/37,818.30
6. Step 6: Final answer
   x = 30,243.02