Finding the Fourth Proportional to 5,549.78, 8,320.89 and 2,084.06

Step by Step Solution

1. Step 1: Write the proportion equation
   5,549.78 : 8,320.89 = 2,084.06 : x
2. Step 2: Convert to fraction form
   5,549.78/8,320.89 = 2,084.06/x
3. Step 3: Cross multiply
   5,549.78x = 8,320.89 × 2,084.06
4. Step 4: Simplify right side
   5,549.78x = 17,341,262.63
5. Step 5: Solve for x
   x = 17,341,262.63/5,549.78
6. Step 6: Final answer
   x = 3,124.67