Finding the Fourth Proportional to 2,830.22, 4,244.54 and 1,186.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,830.22 : 4,244.54 = 1,186.42 : x
2. Step 2: Convert to fraction form
   2,830.22/4,244.54 = 1,186.42/x
3. Step 3: Cross multiply
   2,830.22x = 4,244.54 × 1,186.42
4. Step 4: Simplify right side
   2,830.22x = 5,035,807.15
5. Step 5: Solve for x
   x = 5,035,807.15/2,830.22
6. Step 6: Final answer
   x = 1,779.30