Finding the Fourth Proportional to 2,380.37, 3,562.79 and 2,153.03

Step by Step Solution

1. Step 1: Write the proportion equation
   2,380.37 : 3,562.79 = 2,153.03 : x
2. Step 2: Convert to fraction form
   2,380.37/3,562.79 = 2,153.03/x
3. Step 3: Cross multiply
   2,380.37x = 3,562.79 × 2,153.03
4. Step 4: Simplify right side
   2,380.37x = 7,670,765.17
5. Step 5: Solve for x
   x = 7,670,765.17/2,380.37
6. Step 6: Final answer
   x = 3,222.52