Finding the Fourth Proportional to 2,648.76, 3,973.76 and 1,415.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,648.76 : 3,973.76 = 1,415.52 : x
2. Step 2: Convert to fraction form
   2,648.76/3,973.76 = 1,415.52/x
3. Step 3: Cross multiply
   2,648.76x = 3,973.76 × 1,415.52
4. Step 4: Simplify right side
   2,648.76x = 5,624,936.76
5. Step 5: Solve for x
   x = 5,624,936.76/2,648.76
6. Step 6: Final answer
   x = 2,123.61