Finding the Fourth Proportional to 9,845.54, 13,587.18 and 5,596.78

Step by Step Solution

1. Step 1: Write the proportion equation
   9,845.54 : 13,587.18 = 5,596.78 : x
2. Step 2: Convert to fraction form
   9,845.54/13,587.18 = 5,596.78/x
3. Step 3: Cross multiply
   9,845.54x = 13,587.18 × 5,596.78
4. Step 4: Simplify right side
   9,845.54x = 76,044,389.34
5. Step 5: Solve for x
   x = 76,044,389.34/9,845.54
6. Step 6: Final answer
   x = 7,723.74