Finding the Fourth Proportional to 14,570.89, 21,850.97 and 5,208.37

Step by Step Solution

1. Step 1: Write the proportion equation
   14,570.89 : 21,850.97 = 5,208.37 : x
2. Step 2: Convert to fraction form
   14,570.89/21,850.97 = 5,208.37/x
3. Step 3: Cross multiply
   14,570.89x = 21,850.97 × 5,208.37
4. Step 4: Simplify right side
   14,570.89x = 113,807,855.95
5. Step 5: Solve for x
   x = 113,807,855.95/14,570.89
6. Step 6: Final answer
   x = 7,810.63