Finding the Fourth Proportional to 10,290.36, 15,437.69 and 5,850.07

Step by Step Solution

1. Step 1: Write the proportion equation
   10,290.36 : 15,437.69 = 5,850.07 : x
2. Step 2: Convert to fraction form
   10,290.36/15,437.69 = 5,850.07/x
3. Step 3: Cross multiply
   10,290.36x = 15,437.69 × 5,850.07
4. Step 4: Simplify right side
   10,290.36x = 90,311,499.29
5. Step 5: Solve for x
   x = 90,311,499.29/10,290.36
6. Step 6: Final answer
   x = 8,776.32