Finding the Fourth Proportional to 3,152.07, 4,728.53 and 1,071.52

Step by Step Solution

1. Step 1: Write the proportion equation
   3,152.07 : 4,728.53 = 1,071.52 : x
2. Step 2: Convert to fraction form
   3,152.07/4,728.53 = 1,071.52/x
3. Step 3: Cross multiply
   3,152.07x = 4,728.53 × 1,071.52
4. Step 4: Simplify right side
   3,152.07x = 5,066,705.32
5. Step 5: Solve for x
   x = 5,066,705.32/3,152.07
6. Step 6: Final answer
   x = 1,607.42