Finding the Fourth Proportional to 9,838.69, 13,577.40 and 5,362.45

Step by Step Solution

1. Step 1: Write the proportion equation
   9,838.69 : 13,577.40 = 5,362.45 : x
2. Step 2: Convert to fraction form
   9,838.69/13,577.40 = 5,362.45/x
3. Step 3: Cross multiply
   9,838.69x = 13,577.40 × 5,362.45
4. Step 4: Simplify right side
   9,838.69x = 72,808,074.15
5. Step 5: Solve for x
   x = 72,808,074.15/9,838.69
6. Step 6: Final answer
   x = 7,400.18