Finding the Fourth Proportional to 3,519.93, 4,856.59 and 2,103

Step by Step Solution

1. Step 1: Write the proportion equation
   3,519.93 : 4,856.59 = 2,103 : x
2. Step 2: Convert to fraction form
   3,519.93/4,856.59 = 2,103/x
3. Step 3: Cross multiply
   3,519.93x = 4,856.59 × 2,103
4. Step 4: Simplify right side
   3,519.93x = 10,213,408.77
5. Step 5: Solve for x
   x = 10,213,408.77/3,519.93
6. Step 6: Final answer
   x = 2,901.59