Finding the Fourth Proportional to 2,655.74, 3,978.64 and 1,337.94

Step by Step Solution

1. Step 1: Write the proportion equation
   2,655.74 : 3,978.64 = 1,337.94 : x
2. Step 2: Convert to fraction form
   2,655.74/3,978.64 = 1,337.94/x
3. Step 3: Cross multiply
   2,655.74x = 3,978.64 × 1,337.94
4. Step 4: Simplify right side
   2,655.74x = 5,323,181.60
5. Step 5: Solve for x
   x = 5,323,181.60/2,655.74
6. Step 6: Final answer
   x = 2,004.41