Finding the Fourth Proportional to 2,581.18, 3,870.96 and 937.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,581.18 : 3,870.96 = 937.42 : x
2. Step 2: Convert to fraction form
   2,581.18/3,870.96 = 937.42/x
3. Step 3: Cross multiply
   2,581.18x = 3,870.96 × 937.42
4. Step 4: Simplify right side
   2,581.18x = 3,628,715.32
5. Step 5: Solve for x
   x = 3,628,715.32/2,581.18
6. Step 6: Final answer
   x = 1,405.84