Finding the Fourth Proportional to 37,715.34, 52,056.52 and 21,809

Step by Step Solution

1. Step 1: Write the proportion equation
   37,715.34 : 52,056.52 = 21,809 : x
2. Step 2: Convert to fraction form
   37,715.34/52,056.52 = 21,809/x
3. Step 3: Cross multiply
   37,715.34x = 52,056.52 × 21,809
4. Step 4: Simplify right side
   37,715.34x = 1,135,300,644.68
5. Step 5: Solve for x
   x = 1,135,300,644.68/37,715.34
6. Step 6: Final answer
   x = 30,101.83