Finding the Fourth Proportional to 37,573.08, 51,848.78 and 20,805

Step by Step Solution

1. Step 1: Write the proportion equation
   37,573.08 : 51,848.78 = 20,805 : x
2. Step 2: Convert to fraction form
   37,573.08/51,848.78 = 20,805/x
3. Step 3: Cross multiply
   37,573.08x = 51,848.78 × 20,805
4. Step 4: Simplify right side
   37,573.08x = 1,078,713,867.90
5. Step 5: Solve for x
   x = 1,078,713,867.90/37,573.08
6. Step 6: Final answer
   x = 28,709.75