Finding the Fourth Proportional to 9,838.89, 13,577.28 and 5,362.55

Step by Step Solution

1. Step 1: Write the proportion equation
   9,838.89 : 13,577.28 = 5,362.55 : x
2. Step 2: Convert to fraction form
   9,838.89/13,577.28 = 5,362.55/x
3. Step 3: Cross multiply
   9,838.89x = 13,577.28 × 5,362.55
4. Step 4: Simplify right side
   9,838.89x = 72,808,774.98
5. Step 5: Solve for x
   x = 72,808,774.98/9,838.89
6. Step 6: Final answer
   x = 7,400.10