Finding the Fourth Proportional to 2,379.78, 3,284.04 and 1,332.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,379.78 : 3,284.04 = 1,332.06 : x
2. Step 2: Convert to fraction form
   2,379.78/3,284.04 = 1,332.06/x
3. Step 3: Cross multiply
   2,379.78x = 3,284.04 × 1,332.06
4. Step 4: Simplify right side
   2,379.78x = 4,374,538.32
5. Step 5: Solve for x
   x = 4,374,538.32/2,379.78
6. Step 6: Final answer
   x = 1,838.21