Finding the Fourth Proportional to 9,854.82, 13,599.69 and 5,378.67

Step by Step Solution

1. Step 1: Write the proportion equation
   9,854.82 : 13,599.69 = 5,378.67 : x
2. Step 2: Convert to fraction form
   9,854.82/13,599.69 = 5,378.67/x
3. Step 3: Cross multiply
   9,854.82x = 13,599.69 × 5,378.67
4. Step 4: Simplify right side
   9,854.82x = 73,148,244.61
5. Step 5: Solve for x
   x = 73,148,244.61/9,854.82
6. Step 6: Final answer
   x = 7,422.59