Finding the Fourth Proportional to 37,818.63, 52,196.04 and 21,912.75

Step by Step Solution

1. Step 1: Write the proportion equation
   37,818.63 : 52,196.04 = 21,912.75 : x
2. Step 2: Convert to fraction form
   37,818.63/52,196.04 = 21,912.75/x
3. Step 3: Cross multiply
   37,818.63x = 52,196.04 × 21,912.75
4. Step 4: Simplify right side
   37,818.63x = 1,143,758,775.51
5. Step 5: Solve for x
   x = 1,143,758,775.51/37,818.63
6. Step 6: Final answer
   x = 30,243.26