Finding the Fourth Proportional to 5,093.82, 7,641.12 and 2,172.15

Step by Step Solution

1. Step 1: Write the proportion equation
   5,093.82 : 7,641.12 = 2,172.15 : x
2. Step 2: Convert to fraction form
   5,093.82/7,641.12 = 2,172.15/x
3. Step 3: Cross multiply
   5,093.82x = 7,641.12 × 2,172.15
4. Step 4: Simplify right side
   5,093.82x = 16,597,658.81
5. Step 5: Solve for x
   x = 16,597,658.81/5,093.82
6. Step 6: Final answer
   x = 3,258.39