Finding the Fourth Proportional to 11,052.89, 16,580.53 and 4,728.43

Step by Step Solution

1. Step 1: Write the proportion equation
   11,052.89 : 16,580.53 = 4,728.43 : x
2. Step 2: Convert to fraction form
   11,052.89/16,580.53 = 4,728.43/x
3. Step 3: Cross multiply
   11,052.89x = 16,580.53 × 4,728.43
4. Step 4: Simplify right side
   11,052.89x = 78,399,810.37
5. Step 5: Solve for x
   x = 78,399,810.37/11,052.89
6. Step 6: Final answer
   x = 7,093.15