Finding the Fourth Proportional to 9,870.94, 13,626.62 and 5,838.45

Step by Step Solution

1. Step 1: Write the proportion equation
   9,870.94 : 13,626.62 = 5,838.45 : x
2. Step 2: Convert to fraction form
   9,870.94/13,626.62 = 5,838.45/x
3. Step 3: Cross multiply
   9,870.94x = 13,626.62 × 5,838.45
4. Step 4: Simplify right side
   9,870.94x = 79,558,339.54
5. Step 5: Solve for x
   x = 79,558,339.54/9,870.94
6. Step 6: Final answer
   x = 8,059.85