Finding the Fourth Proportional to 37,663.85, 51,976.72 and 21,749.69

Step by Step Solution

1. Step 1: Write the proportion equation
   37,663.85 : 51,976.72 = 21,749.69 : x
2. Step 2: Convert to fraction form
   37,663.85/51,976.72 = 21,749.69/x
3. Step 3: Cross multiply
   37,663.85x = 51,976.72 × 21,749.69
4. Step 4: Simplify right side
   37,663.85x = 1,130,477,547.22
5. Step 5: Solve for x
   x = 1,130,477,547.22/37,663.85
6. Step 6: Final answer
   x = 30,014.92