Finding the Fourth Proportional to 3,774.48, 5,209.74 and 2,598.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,774.48 : 5,209.74 = 2,598.72 : x
2. Step 2: Convert to fraction form
   3,774.48/5,209.74 = 2,598.72/x
3. Step 3: Cross multiply
   3,774.48x = 5,209.74 × 2,598.72
4. Step 4: Simplify right side
   3,774.48x = 13,538,655.53
5. Step 5: Solve for x
   x = 13,538,655.53/3,774.48
6. Step 6: Final answer
   x = 3,586.89