Finding the Fourth Proportional to 7,309.94, 10,087.90 and 4,166.06

Step by Step Solution

1. Step 1: Write the proportion equation
   7,309.94 : 10,087.90 = 4,166.06 : x
2. Step 2: Convert to fraction form
   7,309.94/10,087.90 = 4,166.06/x
3. Step 3: Cross multiply
   7,309.94x = 10,087.90 × 4,166.06
4. Step 4: Simplify right side
   7,309.94x = 42,026,796.67
5. Step 5: Solve for x
   x = 42,026,796.67/7,309.94
6. Step 6: Final answer
   x = 5,749.27