Finding the Fourth Proportional to 12,636.16, 17,437.86 and 7,334.08

Step by Step Solution

1. Step 1: Write the proportion equation
   12,636.16 : 17,437.86 = 7,334.08 : x
2. Step 2: Convert to fraction form
   12,636.16/17,437.86 = 7,334.08/x
3. Step 3: Cross multiply
   12,636.16x = 17,437.86 × 7,334.08
4. Step 4: Simplify right side
   12,636.16x = 127,890,660.27
5. Step 5: Solve for x
   x = 127,890,660.27/12,636.16
6. Step 6: Final answer
   x = 10,121.01