Finding the Fourth Proportional to 9,868.88, 13,619.18 and 5,392.69

Step by Step Solution

1. Step 1: Write the proportion equation
   9,868.88 : 13,619.18 = 5,392.69 : x
2. Step 2: Convert to fraction form
   9,868.88/13,619.18 = 5,392.69/x
3. Step 3: Cross multiply
   9,868.88x = 13,619.18 × 5,392.69
4. Step 4: Simplify right side
   9,868.88x = 73,444,015.79
5. Step 5: Solve for x
   x = 73,444,015.79/9,868.88
6. Step 6: Final answer
   x = 7,441.98