Finding the Fourth Proportional to 9,822.05, 13,554.01 and 5,345.81

Step by Step Solution

1. Step 1: Write the proportion equation
   9,822.05 : 13,554.01 = 5,345.81 : x
2. Step 2: Convert to fraction form
   9,822.05/13,554.01 = 5,345.81/x
3. Step 3: Cross multiply
   9,822.05x = 13,554.01 × 5,345.81
4. Step 4: Simplify right side
   9,822.05x = 72,457,081.06
5. Step 5: Solve for x
   x = 72,457,081.06/9,822.05
6. Step 6: Final answer
   x = 7,376.99