Finding the Fourth Proportional to 5,667.95, 7,821.61 and 3,150

Step by Step Solution

1. Step 1: Write the proportion equation
   5,667.95 : 7,821.61 = 3,150 : x
2. Step 2: Convert to fraction form
   5,667.95/7,821.61 = 3,150/x
3. Step 3: Cross multiply
   5,667.95x = 7,821.61 × 3,150
4. Step 4: Simplify right side
   5,667.95x = 24,638,071.50
5. Step 5: Solve for x
   x = 24,638,071.50/5,667.95
6. Step 6: Final answer
   x = 4,346.91