Finding the Fourth Proportional to 2,652.86, 3,980.39 and 1,337.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,652.86 : 3,980.39 = 1,337.82 : x
2. Step 2: Convert to fraction form
   2,652.86/3,980.39 = 1,337.82/x
3. Step 3: Cross multiply
   2,652.86x = 3,980.39 × 1,337.82
4. Step 4: Simplify right side
   2,652.86x = 5,325,038.66
5. Step 5: Solve for x
   x = 5,325,038.66/2,652.86
6. Step 6: Final answer
   x = 2,007.29