Finding the Fourth Proportional to 12,436.15, 17,161.86 and 6,770.81

Step by Step Solution

1. Step 1: Write the proportion equation
   12,436.15 : 17,161.86 = 6,770.81 : x
2. Step 2: Convert to fraction form
   12,436.15/17,161.86 = 6,770.81/x
3. Step 3: Cross multiply
   12,436.15x = 17,161.86 × 6,770.81
4. Step 4: Simplify right side
   12,436.15x = 116,199,693.31
5. Step 5: Solve for x
   x = 116,199,693.31/12,436.15
6. Step 6: Final answer
   x = 9,343.70