Finding the Fourth Proportional to 2,896.55, 3,996.16 and 1,902.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,896.55 : 3,996.16 = 1,902.38 : x
2. Step 2: Convert to fraction form
   2,896.55/3,996.16 = 1,902.38/x
3. Step 3: Cross multiply
   2,896.55x = 3,996.16 × 1,902.38
4. Step 4: Simplify right side
   2,896.55x = 7,602,214.86
5. Step 5: Solve for x
   x = 7,602,214.86/2,896.55
6. Step 6: Final answer
   x = 2,624.58