Finding the Fourth Proportional to 5,854.23, 8,085.50 and 3,936.72

Step by Step Solution

1. Step 1: Write the proportion equation
   5,854.23 : 8,085.50 = 3,936.72 : x
2. Step 2: Convert to fraction form
   5,854.23/8,085.50 = 3,936.72/x
3. Step 3: Cross multiply
   5,854.23x = 8,085.50 × 3,936.72
4. Step 4: Simplify right side
   5,854.23x = 31,830,349.56
5. Step 5: Solve for x
   x = 31,830,349.56/5,854.23
6. Step 6: Final answer
   x = 5,437.15