Finding the Fourth Proportional to 5,225.47, 7,839.67 and 2,225.02

Step by Step Solution

1. Step 1: Write the proportion equation
   5,225.47 : 7,839.67 = 2,225.02 : x
2. Step 2: Convert to fraction form
   5,225.47/7,839.67 = 2,225.02/x
3. Step 3: Cross multiply
   5,225.47x = 7,839.67 × 2,225.02
4. Step 4: Simplify right side
   5,225.47x = 17,443,422.54
5. Step 5: Solve for x
   x = 17,443,422.54/5,225.47
6. Step 6: Final answer
   x = 3,338.15