Finding the Fourth Proportional to 3,870.54, 5,341.28 and 2,191.93

Step by Step Solution

1. Step 1: Write the proportion equation
   3,870.54 : 5,341.28 = 2,191.93 : x
2. Step 2: Convert to fraction form
   3,870.54/5,341.28 = 2,191.93/x
3. Step 3: Cross multiply
   3,870.54x = 5,341.28 × 2,191.93
4. Step 4: Simplify right side
   3,870.54x = 11,707,687.56
5. Step 5: Solve for x
   x = 11,707,687.56/3,870.54
6. Step 6: Final answer
   x = 3,024.82