Finding the Fourth Proportional to 3,840.59, 5,300.71 and 2,247.15

Step by Step Solution

1. Step 1: Write the proportion equation
   3,840.59 : 5,300.71 = 2,247.15 : x
2. Step 2: Convert to fraction form
   3,840.59/5,300.71 = 2,247.15/x
3. Step 3: Cross multiply
   3,840.59x = 5,300.71 × 2,247.15
4. Step 4: Simplify right side
   3,840.59x = 11,911,475.81
5. Step 5: Solve for x
   x = 11,911,475.81/3,840.59
6. Step 6: Final answer
   x = 3,101.47