Finding the Fourth Proportional to 8,061.55, 12,090.93 and 2,216.77

Step by Step Solution

1. Step 1: Write the proportion equation
   8,061.55 : 12,090.93 = 2,216.77 : x
2. Step 2: Convert to fraction form
   8,061.55/12,090.93 = 2,216.77/x
3. Step 3: Cross multiply
   8,061.55x = 12,090.93 × 2,216.77
4. Step 4: Simplify right side
   8,061.55x = 26,802,810.90
5. Step 5: Solve for x
   x = 26,802,810.90/8,061.55
6. Step 6: Final answer
   x = 3,324.77