Finding the Fourth Proportional to 5,889.47, 8,123.60 and 3,765.65

Step by Step Solution

1. Step 1: Write the proportion equation
   5,889.47 : 8,123.60 = 3,765.65 : x
2. Step 2: Convert to fraction form
   5,889.47/8,123.60 = 3,765.65/x
3. Step 3: Cross multiply
   5,889.47x = 8,123.60 × 3,765.65
4. Step 4: Simplify right side
   5,889.47x = 30,590,574.89
5. Step 5: Solve for x
   x = 30,590,574.89/5,889.47
6. Step 6: Final answer
   x = 5,194.12