Finding the Fourth Proportional to 37,811.61, 52,183.05 and 21,896.34

Step by Step Solution

1. Step 1: Write the proportion equation
   37,811.61 : 52,183.05 = 21,896.34 : x
2. Step 2: Convert to fraction form
   37,811.61/52,183.05 = 21,896.34/x
3. Step 3: Cross multiply
   37,811.61x = 52,183.05 × 21,896.34
4. Step 4: Simplify right side
   37,811.61x = 1,142,617,805.04
5. Step 5: Solve for x
   x = 1,142,617,805.04/37,811.61
6. Step 6: Final answer
   x = 30,218.70