Finding the Fourth Proportional to 5,250.52, 7,245.72 and 2,892.64

Step by Step Solution

1. Step 1: Write the proportion equation
   5,250.52 : 7,245.72 = 2,892.64 : x
2. Step 2: Convert to fraction form
   5,250.52/7,245.72 = 2,892.64/x
3. Step 3: Cross multiply
   5,250.52x = 7,245.72 × 2,892.64
4. Step 4: Simplify right side
   5,250.52x = 20,959,259.50
5. Step 5: Solve for x
   x = 20,959,259.50/5,250.52
6. Step 6: Final answer
   x = 3,991.84