Finding the Fourth Proportional to 9,895.45, 13,656.03 and 5,419.62

Step by Step Solution

1. Step 1: Write the proportion equation
   9,895.45 : 13,656.03 = 5,419.62 : x
2. Step 2: Convert to fraction form
   9,895.45/13,656.03 = 5,419.62/x
3. Step 3: Cross multiply
   9,895.45x = 13,656.03 × 5,419.62
4. Step 4: Simplify right side
   9,895.45x = 74,010,493.31
5. Step 5: Solve for x
   x = 74,010,493.31/9,895.45
6. Step 6: Final answer
   x = 7,479.24