Finding the Fourth Proportional to 2,632.72, 3,632.60 and 2,003.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,632.72 : 3,632.60 = 2,003.12 : x
2. Step 2: Convert to fraction form
   2,632.72/3,632.60 = 2,003.12/x
3. Step 3: Cross multiply
   2,632.72x = 3,632.60 × 2,003.12
4. Step 4: Simplify right side
   2,632.72x = 7,276,533.71
5. Step 5: Solve for x
   x = 7,276,533.71/2,632.72
6. Step 6: Final answer
   x = 2,763.88