Finding the Fourth Proportional to 9,836.87, 13,574.89 and 5,360.63

Step by Step Solution

1. Step 1: Write the proportion equation
   9,836.87 : 13,574.89 = 5,360.63 : x
2. Step 2: Convert to fraction form
   9,836.87/13,574.89 = 5,360.63/x
3. Step 3: Cross multiply
   9,836.87x = 13,574.89 × 5,360.63
4. Step 4: Simplify right side
   9,836.87x = 72,769,894.71
5. Step 5: Solve for x
   x = 72,769,894.71/9,836.87
6. Step 6: Final answer
   x = 7,397.67