Finding the Fourth Proportional to 2,375.55, 3,564.68 and 914.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,375.55 : 3,564.68 = 914.78 : x
2. Step 2: Convert to fraction form
   2,375.55/3,564.68 = 914.78/x
3. Step 3: Cross multiply
   2,375.55x = 3,564.68 × 914.78
4. Step 4: Simplify right side
   2,375.55x = 3,260,902.31
5. Step 5: Solve for x
   x = 3,260,902.31/2,375.55
6. Step 6: Final answer
   x = 1,372.69