Finding the Fourth Proportional to 8,100.41, 11,173.14 and 5,111.51

Step by Step Solution

1. Step 1: Write the proportion equation
   8,100.41 : 11,173.14 = 5,111.51 : x
2. Step 2: Convert to fraction form
   8,100.41/11,173.14 = 5,111.51/x
3. Step 3: Cross multiply
   8,100.41x = 11,173.14 × 5,111.51
4. Step 4: Simplify right side
   8,100.41x = 57,111,560.98
5. Step 5: Solve for x
   x = 57,111,560.98/8,100.41
6. Step 6: Final answer
   x = 7,050.46