Finding the Fourth Proportional to 9,895.06, 13,655.25 and 5,418.83

Step by Step Solution

1. Step 1: Write the proportion equation
   9,895.06 : 13,655.25 = 5,418.83 : x
2. Step 2: Convert to fraction form
   9,895.06/13,655.25 = 5,418.83/x
3. Step 3: Cross multiply
   9,895.06x = 13,655.25 × 5,418.83
4. Step 4: Simplify right side
   9,895.06x = 73,995,512.50
5. Step 5: Solve for x
   x = 73,995,512.50/9,895.06
6. Step 6: Final answer
   x = 7,478.02