Finding the Fourth Proportional to 2,262.06, 3,122.88 and 1,554.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,262.06 : 3,122.88 = 1,554.30 : x
2. Step 2: Convert to fraction form
   2,262.06/3,122.88 = 1,554.30/x
3. Step 3: Cross multiply
   2,262.06x = 3,122.88 × 1,554.30
4. Step 4: Simplify right side
   2,262.06x = 4,853,892.38
5. Step 5: Solve for x
   x = 4,853,892.38/2,262.06
6. Step 6: Final answer
   x = 2,145.78