Finding the Fourth Proportional to 3,820.04, 5,271.76 and 2,141.40

Step by Step Solution

1. Step 1: Write the proportion equation
   3,820.04 : 5,271.76 = 2,141.40 : x
2. Step 2: Convert to fraction form
   3,820.04/5,271.76 = 2,141.40/x
3. Step 3: Cross multiply
   3,820.04x = 5,271.76 × 2,141.40
4. Step 4: Simplify right side
   3,820.04x = 11,288,946.86
5. Step 5: Solve for x
   x = 11,288,946.86/3,820.04
6. Step 6: Final answer
   x = 2,955.19