Finding the Fourth Proportional to 17,868.12, 26,816.72 and 7,487.16

Step by Step Solution

1. Step 1: Write the proportion equation
   17,868.12 : 26,816.72 = 7,487.16 : x
2. Step 2: Convert to fraction form
   17,868.12/26,816.72 = 7,487.16/x
3. Step 3: Cross multiply
   17,868.12x = 26,816.72 × 7,487.16
4. Step 4: Simplify right side
   17,868.12x = 200,781,073.32
5. Step 5: Solve for x
   x = 200,781,073.32/17,868.12
6. Step 6: Final answer
   x = 11,236.83