Finding the Fourth Proportional to 9,705.56, 14,561.58 and 3,860.60

Step by Step Solution

1. Step 1: Write the proportion equation
   9,705.56 : 14,561.58 = 3,860.60 : x
2. Step 2: Convert to fraction form
   9,705.56/14,561.58 = 3,860.60/x
3. Step 3: Cross multiply
   9,705.56x = 14,561.58 × 3,860.60
4. Step 4: Simplify right side
   9,705.56x = 56,216,435.75
5. Step 5: Solve for x
   x = 56,216,435.75/9,705.56
6. Step 6: Final answer
   x = 5,792.19