Finding the Fourth Proportional to 3,870.36, 5,342.45 and 2,298.44

Step by Step Solution

1. Step 1: Write the proportion equation
   3,870.36 : 5,342.45 = 2,298.44 : x
2. Step 2: Convert to fraction form
   3,870.36/5,342.45 = 2,298.44/x
3. Step 3: Cross multiply
   3,870.36x = 5,342.45 × 2,298.44
4. Step 4: Simplify right side
   3,870.36x = 12,279,293.17
5. Step 5: Solve for x
   x = 12,279,293.17/3,870.36
6. Step 6: Final answer
   x = 3,172.65