Finding the Fourth Proportional to 2,830.52, 4,244.42 and 1,186.63

Step by Step Solution

1. Step 1: Write the proportion equation
   2,830.52 : 4,244.42 = 1,186.63 : x
2. Step 2: Convert to fraction form
   2,830.52/4,244.42 = 1,186.63/x
3. Step 3: Cross multiply
   2,830.52x = 4,244.42 × 1,186.63
4. Step 4: Simplify right side
   2,830.52x = 5,036,550.80
5. Step 5: Solve for x
   x = 5,036,550.80/2,830.52
6. Step 6: Final answer
   x = 1,779.37