Finding the Fourth Proportional to 5,861.97, 8,090.55 and 5,667.35

Step by Step Solution

1. Step 1: Write the proportion equation
   5,861.97 : 8,090.55 = 5,667.35 : x
2. Step 2: Convert to fraction form
   5,861.97/8,090.55 = 5,667.35/x
3. Step 3: Cross multiply
   5,861.97x = 8,090.55 × 5,667.35
4. Step 4: Simplify right side
   5,861.97x = 45,851,938.09
5. Step 5: Solve for x
   x = 45,851,938.09/5,861.97
6. Step 6: Final answer
   x = 7,821.93