Finding the Fourth Proportional to 4,055.48, 5,590.84 and 3,061.88

Step by Step Solution

1. Step 1: Write the proportion equation
   4,055.48 : 5,590.84 = 3,061.88 : x
2. Step 2: Convert to fraction form
   4,055.48/5,590.84 = 3,061.88/x
3. Step 3: Cross multiply
   4,055.48x = 5,590.84 × 3,061.88
4. Step 4: Simplify right side
   4,055.48x = 17,118,481.18
5. Step 5: Solve for x
   x = 17,118,481.18/4,055.48
6. Step 6: Final answer
   x = 4,221.07