Finding the Fourth Proportional to 12,377.69, 17,085.08 and 8,350.34

Step by Step Solution

1. Step 1: Write the proportion equation
   12,377.69 : 17,085.08 = 8,350.34 : x
2. Step 2: Convert to fraction form
   12,377.69/17,085.08 = 8,350.34/x
3. Step 3: Cross multiply
   12,377.69x = 17,085.08 × 8,350.34
4. Step 4: Simplify right side
   12,377.69x = 142,666,211.51
5. Step 5: Solve for x
   x = 142,666,211.51/12,377.69
6. Step 6: Final answer
   x = 11,526.08