Finding the Fourth Proportional to 5,901.86, 8,143.53 and 3,544.05

Step by Step Solution

1. Step 1: Write the proportion equation
   5,901.86 : 8,143.53 = 3,544.05 : x
2. Step 2: Convert to fraction form
   5,901.86/8,143.53 = 3,544.05/x
3. Step 3: Cross multiply
   5,901.86x = 8,143.53 × 3,544.05
4. Step 4: Simplify right side
   5,901.86x = 28,861,077.50
5. Step 5: Solve for x
   x = 28,861,077.50/5,901.86
6. Step 6: Final answer
   x = 4,890.17