Finding the Fourth Proportional to 3,915.71, 5,870.76 and 1,834.57

Step by Step Solution

1. Step 1: Write the proportion equation
   3,915.71 : 5,870.76 = 1,834.57 : x
2. Step 2: Convert to fraction form
   3,915.71/5,870.76 = 1,834.57/x
3. Step 3: Cross multiply
   3,915.71x = 5,870.76 × 1,834.57
4. Step 4: Simplify right side
   3,915.71x = 10,770,305.50
5. Step 5: Solve for x
   x = 10,770,305.50/3,915.71
6. Step 6: Final answer
   x = 2,750.54