Finding the Fourth Proportional to 5,900.69, 8,140.10 and 3,665.16

Step by Step Solution

1. Step 1: Write the proportion equation
   5,900.69 : 8,140.10 = 3,665.16 : x
2. Step 2: Convert to fraction form
   5,900.69/8,140.10 = 3,665.16/x
3. Step 3: Cross multiply
   5,900.69x = 8,140.10 × 3,665.16
4. Step 4: Simplify right side
   5,900.69x = 29,834,750.59
5. Step 5: Solve for x
   x = 29,834,750.59/5,900.69
6. Step 6: Final answer
   x = 5,056.15