Finding the Fourth Proportional to 3,975.67, 5,487.42 and 2,298.05

Step by Step Solution

1. Step 1: Write the proportion equation
   3,975.67 : 5,487.42 = 2,298.05 : x
2. Step 2: Convert to fraction form
   3,975.67/5,487.42 = 2,298.05/x
3. Step 3: Cross multiply
   3,975.67x = 5,487.42 × 2,298.05
4. Step 4: Simplify right side
   3,975.67x = 12,610,398.16
5. Step 5: Solve for x
   x = 12,610,398.16/3,975.67
6. Step 6: Final answer
   x = 3,171.89