Finding the Fourth Proportional to 5,375.52, 8,065.98 and 3,640.50

Step by Step Solution

1. Step 1: Write the proportion equation
   5,375.52 : 8,065.98 = 3,640.50 : x
2. Step 2: Convert to fraction form
   5,375.52/8,065.98 = 3,640.50/x
3. Step 3: Cross multiply
   5,375.52x = 8,065.98 × 3,640.50
4. Step 4: Simplify right side
   5,375.52x = 29,364,200.19
5. Step 5: Solve for x
   x = 29,364,200.19/5,375.52
6. Step 6: Final answer
   x = 5,462.58