Finding the Fourth Proportional to 4,641.57, 6,405.95 and 3,152.88

Step by Step Solution

1. Step 1: Write the proportion equation
   4,641.57 : 6,405.95 = 3,152.88 : x
2. Step 2: Convert to fraction form
   4,641.57/6,405.95 = 3,152.88/x
3. Step 3: Cross multiply
   4,641.57x = 6,405.95 × 3,152.88
4. Step 4: Simplify right side
   4,641.57x = 20,197,199.52
5. Step 5: Solve for x
   x = 20,197,199.52/4,641.57
6. Step 6: Final answer
   x = 4,351.37