Finding the Fourth Proportional to 2,648.34, 3,971.34 and 1,415.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,648.34 : 3,971.34 = 1,415.48 : x
2. Step 2: Convert to fraction form
   2,648.34/3,971.34 = 1,415.48/x
3. Step 3: Cross multiply
   2,648.34x = 3,971.34 × 1,415.48
4. Step 4: Simplify right side
   2,648.34x = 5,621,332.49
5. Step 5: Solve for x
   x = 5,621,332.49/2,648.34
6. Step 6: Final answer
   x = 2,122.59