Finding the Fourth Proportional to 3,152.09, 4,727.95 and 1,072.10

Step by Step Solution

1. Step 1: Write the proportion equation
   3,152.09 : 4,727.95 = 1,072.10 : x
2. Step 2: Convert to fraction form
   3,152.09/4,727.95 = 1,072.10/x
3. Step 3: Cross multiply
   3,152.09x = 4,727.95 × 1,072.10
4. Step 4: Simplify right side
   3,152.09x = 5,068,835.20
5. Step 5: Solve for x
   x = 5,068,835.20/3,152.09
6. Step 6: Final answer
   x = 1,608.09