Finding the Fourth Proportional to 3,870.74, 5,339.96 and 2,298.54

Step by Step Solution

1. Step 1: Write the proportion equation
   3,870.74 : 5,339.96 = 2,298.54 : x
2. Step 2: Convert to fraction form
   3,870.74/5,339.96 = 2,298.54/x
3. Step 3: Cross multiply
   3,870.74x = 5,339.96 × 2,298.54
4. Step 4: Simplify right side
   3,870.74x = 12,274,111.66
5. Step 5: Solve for x
   x = 12,274,111.66/3,870.74
6. Step 6: Final answer
   x = 3,171.00