Finding the Fourth Proportional to 2,845.45, 3,924.16 and 2,427.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,845.45 : 3,924.16 = 2,427.31 : x
2. Step 2: Convert to fraction form
   2,845.45/3,924.16 = 2,427.31/x
3. Step 3: Cross multiply
   2,845.45x = 3,924.16 × 2,427.31
4. Step 4: Simplify right side
   2,845.45x = 9,525,152.81
5. Step 5: Solve for x
   x = 9,525,152.81/2,845.45
6. Step 6: Final answer
   x = 3,347.50