Finding the Fourth Proportional to 37,744.79, 52,087.76 and 21,830.21

Step by Step Solution

1. Step 1: Write the proportion equation
   37,744.79 : 52,087.76 = 21,830.21 : x
2. Step 2: Convert to fraction form
   37,744.79/52,087.76 = 21,830.21/x
3. Step 3: Cross multiply
   37,744.79x = 52,087.76 × 21,830.21
4. Step 4: Simplify right side
   37,744.79x = 1,137,086,646.83
5. Step 5: Solve for x
   x = 1,137,086,646.83/37,744.79
6. Step 6: Final answer
   x = 30,125.66