Finding the Fourth Proportional to 3,561.48, 4,910.83 and 2,300.87

Step by Step Solution

1. Step 1: Write the proportion equation
   3,561.48 : 4,910.83 = 2,300.87 : x
2. Step 2: Convert to fraction form
   3,561.48/4,910.83 = 2,300.87/x
3. Step 3: Cross multiply
   3,561.48x = 4,910.83 × 2,300.87
4. Step 4: Simplify right side
   3,561.48x = 11,299,187.95
5. Step 5: Solve for x
   x = 11,299,187.95/3,561.48
6. Step 6: Final answer
   x = 3,172.61