Finding the Fourth Proportional to 3,561.47, 4,910.83 and 2,300.86

Step by Step Solution

1. Step 1: Write the proportion equation
   3,561.47 : 4,910.83 = 2,300.86 : x
2. Step 2: Convert to fraction form
   3,561.47/4,910.83 = 2,300.86/x
3. Step 3: Cross multiply
   3,561.47x = 4,910.83 × 2,300.86
4. Step 4: Simplify right side
   3,561.47x = 11,299,132.70
5. Step 5: Solve for x
   x = 11,299,132.70/3,561.47
6. Step 6: Final answer
   x = 3,172.60