Finding the Fourth Proportional to 11,085.12, 16,626.06 and 4,158

Step by Step Solution

1. Step 1: Write the proportion equation
   11,085.12 : 16,626.06 = 4,158 : x
2. Step 2: Convert to fraction form
   11,085.12/16,626.06 = 4,158/x
3. Step 3: Cross multiply
   11,085.12x = 16,626.06 × 4,158
4. Step 4: Simplify right side
   11,085.12x = 69,131,157.48
5. Step 5: Solve for x
   x = 69,131,157.48/11,085.12
6. Step 6: Final answer
   x = 6,236.39