Finding the Fourth Proportional to 2,299.89, 3,174.83 and 1,554.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,299.89 : 3,174.83 = 1,554.86 : x
2. Step 2: Convert to fraction form
   2,299.89/3,174.83 = 1,554.86/x
3. Step 3: Cross multiply
   2,299.89x = 3,174.83 × 1,554.86
4. Step 4: Simplify right side
   2,299.89x = 4,936,422.17
5. Step 5: Solve for x
   x = 4,936,422.17/2,299.89
6. Step 6: Final answer
   x = 2,146.37