Finding the Fourth Proportional to 3,915.68, 5,870.22 and 1,834.58

Step by Step Solution

1. Step 1: Write the proportion equation
   3,915.68 : 5,870.22 = 1,834.58 : x
2. Step 2: Convert to fraction form
   3,915.68/5,870.22 = 1,834.58/x
3. Step 3: Cross multiply
   3,915.68x = 5,870.22 × 1,834.58
4. Step 4: Simplify right side
   3,915.68x = 10,769,406.32
5. Step 5: Solve for x
   x = 10,769,406.32/3,915.68
6. Step 6: Final answer
   x = 2,750.33