Finding the Fourth Proportional to 2,830.01, 4,246.67 and 1,186.43

Step by Step Solution

1. Step 1: Write the proportion equation
   2,830.01 : 4,246.67 = 1,186.43 : x
2. Step 2: Convert to fraction form
   2,830.01/4,246.67 = 1,186.43/x
3. Step 3: Cross multiply
   2,830.01x = 4,246.67 × 1,186.43
4. Step 4: Simplify right side
   2,830.01x = 5,038,390.27
5. Step 5: Solve for x
   x = 5,038,390.27/2,830.01
6. Step 6: Final answer
   x = 1,780.34