Finding the Fourth Proportional to 9,868.01, 13,618.10 and 5,392.17

Step by Step Solution

1. Step 1: Write the proportion equation
   9,868.01 : 13,618.10 = 5,392.17 : x
2. Step 2: Convert to fraction form
   9,868.01/13,618.10 = 5,392.17/x
3. Step 3: Cross multiply
   9,868.01x = 13,618.10 × 5,392.17
4. Step 4: Simplify right side
   9,868.01x = 73,431,123.76
5. Step 5: Solve for x
   x = 73,431,123.76/9,868.01
6. Step 6: Final answer
   x = 7,441.33