Finding the Fourth Proportional to 9,858.96, 13,604.04 and 5,667.48

Step by Step Solution

1. Step 1: Write the proportion equation
   9,858.96 : 13,604.04 = 5,667.48 : x
2. Step 2: Convert to fraction form
   9,858.96/13,604.04 = 5,667.48/x
3. Step 3: Cross multiply
   9,858.96x = 13,604.04 × 5,667.48
4. Step 4: Simplify right side
   9,858.96x = 77,100,624.62
5. Step 5: Solve for x
   x = 77,100,624.62/9,858.96
6. Step 6: Final answer
   x = 7,820.36