Finding the Fourth Proportional to 3,870.76, 5,341.27 and 2,191.83

Step by Step Solution

1. Step 1: Write the proportion equation
   3,870.76 : 5,341.27 = 2,191.83 : x
2. Step 2: Convert to fraction form
   3,870.76/5,341.27 = 2,191.83/x
3. Step 3: Cross multiply
   3,870.76x = 5,341.27 × 2,191.83
4. Step 4: Simplify right side
   3,870.76x = 11,707,173.33
5. Step 5: Solve for x
   x = 11,707,173.33/3,870.76
6. Step 6: Final answer
   x = 3,024.51