Finding the Fourth Proportional to 37,907.72, 52,313 and 21,992.44

Step by Step Solution

1. Step 1: Write the proportion equation
   37,907.72 : 52,313 = 21,992.44 : x
2. Step 2: Convert to fraction form
   37,907.72/52,313 = 21,992.44/x
3. Step 3: Cross multiply
   37,907.72x = 52,313 × 21,992.44
4. Step 4: Simplify right side
   37,907.72x = 1,150,490,513.72
5. Step 5: Solve for x
   x = 1,150,490,513.72/37,907.72
6. Step 6: Final answer
   x = 30,349.77