Finding the Fourth Proportional to 37,058.76, 51,145.38 and 21,145.50

Step by Step Solution

1. Step 1: Write the proportion equation
   37,058.76 : 51,145.38 = 21,145.50 : x
2. Step 2: Convert to fraction form
   37,058.76/51,145.38 = 21,145.50/x
3. Step 3: Cross multiply
   37,058.76x = 51,145.38 × 21,145.50
4. Step 4: Simplify right side
   37,058.76x = 1,081,494,632.79
5. Step 5: Solve for x
   x = 1,081,494,632.79/37,058.76
6. Step 6: Final answer
   x = 29,183.24