Finding the Fourth Proportional to 37,707.69, 52,044.21 and 21,789.98

Step by Step Solution

1. Step 1: Write the proportion equation
   37,707.69 : 52,044.21 = 21,789.98 : x
2. Step 2: Convert to fraction form
   37,707.69/52,044.21 = 21,789.98/x
3. Step 3: Cross multiply
   37,707.69x = 52,044.21 × 21,789.98
4. Step 4: Simplify right side
   37,707.69x = 1,134,042,034.79
5. Step 5: Solve for x
   x = 1,134,042,034.79/37,707.69
6. Step 6: Final answer
   x = 30,074.56