Finding the Fourth Proportional to 7,309.98, 10,087.74 and 4,166.19

Step by Step Solution

1. Step 1: Write the proportion equation
   7,309.98 : 10,087.74 = 4,166.19 : x
2. Step 2: Convert to fraction form
   7,309.98/10,087.74 = 4,166.19/x
3. Step 3: Cross multiply
   7,309.98x = 10,087.74 × 4,166.19
4. Step 4: Simplify right side
   7,309.98x = 42,027,441.51
5. Step 5: Solve for x
   x = 42,027,441.51/7,309.98
6. Step 6: Final answer
   x = 5,749.32