Finding the Fourth Proportional to 7,309.84, 10,087.30 and 4,165.42

Step by Step Solution

1. Step 1: Write the proportion equation
   7,309.84 : 10,087.30 = 4,165.42 : x
2. Step 2: Convert to fraction form
   7,309.84/10,087.30 = 4,165.42/x
3. Step 3: Cross multiply
   7,309.84x = 10,087.30 × 4,165.42
4. Step 4: Simplify right side
   7,309.84x = 42,017,841.17
5. Step 5: Solve for x
   x = 42,017,841.17/7,309.84
6. Step 6: Final answer
   x = 5,748.12