Finding the Fourth Proportional to 1,882.72, 2,596.20 and 1,603.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,882.72 : 2,596.20 = 1,603.72 : x
2. Step 2: Convert to fraction form
   1,882.72/2,596.20 = 1,603.72/x
3. Step 3: Cross multiply
   1,882.72x = 2,596.20 × 1,603.72
4. Step 4: Simplify right side
   1,882.72x = 4,163,577.86
5. Step 5: Solve for x
   x = 4,163,577.86/1,882.72
6. Step 6: Final answer
   x = 2,211.47