Finding the Fourth Proportional to 8,100.10, 11,181.72 and 5,971.96

Step by Step Solution

1. Step 1: Write the proportion equation
   8,100.10 : 11,181.72 = 5,971.96 : x
2. Step 2: Convert to fraction form
   8,100.10/11,181.72 = 5,971.96/x
3. Step 3: Cross multiply
   8,100.10x = 11,181.72 × 5,971.96
4. Step 4: Simplify right side
   8,100.10x = 66,776,784.57
5. Step 5: Solve for x
   x = 66,776,784.57/8,100.10
6. Step 6: Final answer
   x = 8,243.95