Finding the Fourth Proportional to 3,667.61, 5,063.56 and 2,826.63

Step by Step Solution

1. Step 1: Write the proportion equation
   3,667.61 : 5,063.56 = 2,826.63 : x
2. Step 2: Convert to fraction form
   3,667.61/5,063.56 = 2,826.63/x
3. Step 3: Cross multiply
   3,667.61x = 5,063.56 × 2,826.63
4. Step 4: Simplify right side
   3,667.61x = 14,312,819.44
5. Step 5: Solve for x
   x = 14,312,819.44/3,667.61
6. Step 6: Final answer
   x = 3,902.49