Finding the Fourth Proportional to 2,829.66, 4,243.86 and 1,188.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,829.66 : 4,243.86 = 1,188.06 : x
2. Step 2: Convert to fraction form
   2,829.66/4,243.86 = 1,188.06/x
3. Step 3: Cross multiply
   2,829.66x = 4,243.86 × 1,188.06
4. Step 4: Simplify right side
   2,829.66x = 5,041,960.31
5. Step 5: Solve for x
   x = 5,041,960.31/2,829.66
6. Step 6: Final answer
   x = 1,781.83