Finding the Fourth Proportional to 9,895.54, 13,656.06 and 5,419.48

Step by Step Solution

1. Step 1: Write the proportion equation
   9,895.54 : 13,656.06 = 5,419.48 : x
2. Step 2: Convert to fraction form
   9,895.54/13,656.06 = 5,419.48/x
3. Step 3: Cross multiply
   9,895.54x = 13,656.06 × 5,419.48
4. Step 4: Simplify right side
   9,895.54x = 74,008,744.05
5. Step 5: Solve for x
   x = 74,008,744.05/9,895.54
6. Step 6: Final answer
   x = 7,479.00