Finding the Fourth Proportional to 9,561.86, 14,342.42 and 2,636.18

Step by Step Solution

1. Step 1: Write the proportion equation
   9,561.86 : 14,342.42 = 2,636.18 : x
2. Step 2: Convert to fraction form
   9,561.86/14,342.42 = 2,636.18/x
3. Step 3: Cross multiply
   9,561.86x = 14,342.42 × 2,636.18
4. Step 4: Simplify right side
   9,561.86x = 37,809,200.76
5. Step 5: Solve for x
   x = 37,809,200.76/9,561.86
6. Step 6: Final answer
   x = 3,954.17