Finding the Fourth Proportional to 5,830.94, 8,046.72 and 3,178.34

Step by Step Solution

1. Step 1: Write the proportion equation
   5,830.94 : 8,046.72 = 3,178.34 : x
2. Step 2: Convert to fraction form
   5,830.94/8,046.72 = 3,178.34/x
3. Step 3: Cross multiply
   5,830.94x = 8,046.72 × 3,178.34
4. Step 4: Simplify right side
   5,830.94x = 25,575,212.04
5. Step 5: Solve for x
   x = 25,575,212.04/5,830.94
6. Step 6: Final answer
   x = 4,386.12