Finding the Fourth Proportional to 8,055.57, 11,111.56 and 5,820.72

Step by Step Solution

1. Step 1: Write the proportion equation
   8,055.57 : 11,111.56 = 5,820.72 : x
2. Step 2: Convert to fraction form
   8,055.57/11,111.56 = 5,820.72/x
3. Step 3: Cross multiply
   8,055.57x = 11,111.56 × 5,820.72
4. Step 4: Simplify right side
   8,055.57x = 64,677,279.52
5. Step 5: Solve for x
   x = 64,677,279.52/8,055.57
6. Step 6: Final answer
   x = 8,028.89