Finding the Fourth Proportional to 9,705.48, 14,561.91 and 3,866.19

Step by Step Solution

1. Step 1: Write the proportion equation
   9,705.48 : 14,561.91 = 3,866.19 : x
2. Step 2: Convert to fraction form
   9,705.48/14,561.91 = 3,866.19/x
3. Step 3: Cross multiply
   9,705.48x = 14,561.91 × 3,866.19
4. Step 4: Simplify right side
   9,705.48x = 56,299,110.82
5. Step 5: Solve for x
   x = 56,299,110.82/9,705.48
6. Step 6: Final answer
   x = 5,800.75