Finding the Fourth Proportional to 37,665.37, 51,977.74 and 21,749.47

Step by Step Solution

1. Step 1: Write the proportion equation
   37,665.37 : 51,977.74 = 21,749.47 : x
2. Step 2: Convert to fraction form
   37,665.37/51,977.74 = 21,749.47/x
3. Step 3: Cross multiply
   37,665.37x = 51,977.74 × 21,749.47
4. Step 4: Simplify right side
   37,665.37x = 1,130,488,296.80
5. Step 5: Solve for x
   x = 1,130,488,296.80/37,665.37
6. Step 6: Final answer
   x = 30,014.00