Finding the Fourth Proportional to 37,817.73, 52,183.98 and 21,899.07

Step by Step Solution

1. Step 1: Write the proportion equation
   37,817.73 : 52,183.98 = 21,899.07 : x
2. Step 2: Convert to fraction form
   37,817.73/52,183.98 = 21,899.07/x
3. Step 3: Cross multiply
   37,817.73x = 52,183.98 × 21,899.07
4. Step 4: Simplify right side
   37,817.73x = 1,142,780,630.90
5. Step 5: Solve for x
   x = 1,142,780,630.90/37,817.73
6. Step 6: Final answer
   x = 30,218.12