Finding the Fourth Proportional to 2,632.47, 3,947.70 and 1,171.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,632.47 : 3,947.70 = 1,171.32 : x
2. Step 2: Convert to fraction form
   2,632.47/3,947.70 = 1,171.32/x
3. Step 3: Cross multiply
   2,632.47x = 3,947.70 × 1,171.32
4. Step 4: Simplify right side
   2,632.47x = 4,624,019.96
5. Step 5: Solve for x
   x = 4,624,019.96/2,632.47
6. Step 6: Final answer
   x = 1,756.53