Finding the Fourth Proportional to 13,096.95, 18,072.42 and 7,646.22

Step by Step Solution

1. Step 1: Write the proportion equation
   13,096.95 : 18,072.42 = 7,646.22 : x
2. Step 2: Convert to fraction form
   13,096.95/18,072.42 = 7,646.22/x
3. Step 3: Cross multiply
   13,096.95x = 18,072.42 × 7,646.22
4. Step 4: Simplify right side
   13,096.95x = 138,185,699.25
5. Step 5: Solve for x
   x = 138,185,699.25/13,096.95
6. Step 6: Final answer
   x = 10,550.98