Finding the Fourth Proportional to 2,245.52, 3,388.56 and 2,176.26

Step by Step Solution

1. Step 1: Write the proportion equation
   2,245.52 : 3,388.56 = 2,176.26 : x
2. Step 2: Convert to fraction form
   2,245.52/3,388.56 = 2,176.26/x
3. Step 3: Cross multiply
   2,245.52x = 3,388.56 × 2,176.26
4. Step 4: Simplify right side
   2,245.52x = 7,374,387.59
5. Step 5: Solve for x
   x = 7,374,387.59/2,245.52
6. Step 6: Final answer
   x = 3,284.05