Finding the Fourth Proportional to 3,870.74, 5,341.81 and 2,192.22

Step by Step Solution

1. Step 1: Write the proportion equation
   3,870.74 : 5,341.81 = 2,192.22 : x
2. Step 2: Convert to fraction form
   3,870.74/5,341.81 = 2,192.22/x
3. Step 3: Cross multiply
   3,870.74x = 5,341.81 × 2,192.22
4. Step 4: Simplify right side
   3,870.74x = 11,710,422.72
5. Step 5: Solve for x
   x = 11,710,422.72/3,870.74
6. Step 6: Final answer
   x = 3,025.37