Finding the Fourth Proportional to 9,854.87, 13,599.72 and 5,605.92

Step by Step Solution

1. Step 1: Write the proportion equation
   9,854.87 : 13,599.72 = 5,605.92 : x
2. Step 2: Convert to fraction form
   9,854.87/13,599.72 = 5,605.92/x
3. Step 3: Cross multiply
   9,854.87x = 13,599.72 × 5,605.92
4. Step 4: Simplify right side
   9,854.87x = 76,238,942.34
5. Step 5: Solve for x
   x = 76,238,942.34/9,854.87
6. Step 6: Final answer
   x = 7,736.17