Finding the Fourth Proportional to 37,321.56, 51,501.39 and 20,554.56

Step by Step Solution

1. Step 1: Write the proportion equation
   37,321.56 : 51,501.39 = 20,554.56 : x
2. Step 2: Convert to fraction form
   37,321.56/51,501.39 = 20,554.56/x
3. Step 3: Cross multiply
   37,321.56x = 51,501.39 × 20,554.56
4. Step 4: Simplify right side
   37,321.56x = 1,058,588,410.84
5. Step 5: Solve for x
   x = 1,058,588,410.84/37,321.56
6. Step 6: Final answer
   x = 28,363.99