Finding the Fourth Proportional to 3,500.48, 4,827.72 and 2,102.96

Step by Step Solution

1. Step 1: Write the proportion equation
   3,500.48 : 4,827.72 = 2,102.96 : x
2. Step 2: Convert to fraction form
   3,500.48/4,827.72 = 2,102.96/x
3. Step 3: Cross multiply
   3,500.48x = 4,827.72 × 2,102.96
4. Step 4: Simplify right side
   3,500.48x = 10,152,502.05
5. Step 5: Solve for x
   x = 10,152,502.05/3,500.48
6. Step 6: Final answer
   x = 2,900.32