Finding the Fourth Proportional to 5,250.54, 7,245.57 and 2,892.72

Step by Step Solution

1. Step 1: Write the proportion equation
   5,250.54 : 7,245.57 = 2,892.72 : x
2. Step 2: Convert to fraction form
   5,250.54/7,245.57 = 2,892.72/x
3. Step 3: Cross multiply
   5,250.54x = 7,245.57 × 2,892.72
4. Step 4: Simplify right side
   5,250.54x = 20,959,405.25
5. Step 5: Solve for x
   x = 20,959,405.25/5,250.54
6. Step 6: Final answer
   x = 3,991.86