Finding the Fourth Proportional to 11,641.42, 16,064.22 and 8,112.25

Step by Step Solution

1. Step 1: Write the proportion equation
   11,641.42 : 16,064.22 = 8,112.25 : x
2. Step 2: Convert to fraction form
   11,641.42/16,064.22 = 8,112.25/x
3. Step 3: Cross multiply
   11,641.42x = 16,064.22 × 8,112.25
4. Step 4: Simplify right side
   11,641.42x = 130,316,968.70
5. Step 5: Solve for x
   x = 130,316,968.70/11,641.42
6. Step 6: Final answer
   x = 11,194.25