Finding the Fourth Proportional to 11,770.15, 16,245.89 and 7,291.36

Step by Step Solution

1. Step 1: Write the proportion equation
   11,770.15 : 16,245.89 = 7,291.36 : x
2. Step 2: Convert to fraction form
   11,770.15/16,245.89 = 7,291.36/x
3. Step 3: Cross multiply
   11,770.15x = 16,245.89 × 7,291.36
4. Step 4: Simplify right side
   11,770.15x = 118,454,632.51
5. Step 5: Solve for x
   x = 118,454,632.51/11,770.15
6. Step 6: Final answer
   x = 10,063.99