Finding the Fourth Proportional to 9,817.09, 13,547.61 and 5,340.84

Step by Step Solution

1. Step 1: Write the proportion equation
   9,817.09 : 13,547.61 = 5,340.84 : x
2. Step 2: Convert to fraction form
   9,817.09/13,547.61 = 5,340.84/x
3. Step 3: Cross multiply
   9,817.09x = 13,547.61 × 5,340.84
4. Step 4: Simplify right side
   9,817.09x = 72,355,570.34
5. Step 5: Solve for x
   x = 72,355,570.34/9,817.09
6. Step 6: Final answer
   x = 7,370.37