Finding the Fourth Proportional to 6,728.72, 10,093.35 and 3,030.80

Step by Step Solution

1. Step 1: Write the proportion equation
   6,728.72 : 10,093.35 = 3,030.80 : x
2. Step 2: Convert to fraction form
   6,728.72/10,093.35 = 3,030.80/x
3. Step 3: Cross multiply
   6,728.72x = 10,093.35 × 3,030.80
4. Step 4: Simplify right side
   6,728.72x = 30,590,925.18
5. Step 5: Solve for x
   x = 30,590,925.18/6,728.72
6. Step 6: Final answer
   x = 4,546.32