Finding the Fourth Proportional to 37,884.42, 52,291.98 and 21,972.78

Step by Step Solution

1. Step 1: Write the proportion equation
   37,884.42 : 52,291.98 = 21,972.78 : x
2. Step 2: Convert to fraction form
   37,884.42/52,291.98 = 21,972.78/x
3. Step 3: Cross multiply
   37,884.42x = 52,291.98 × 21,972.78
4. Step 4: Simplify right side
   37,884.42x = 1,149,000,172.30
5. Step 5: Solve for x
   x = 1,149,000,172.30/37,884.42
6. Step 6: Final answer
   x = 30,329.09