Finding the Fourth Proportional to 9,821.23, 13,553.33 and 5,345.04

Step by Step Solution

1. Step 1: Write the proportion equation
   9,821.23 : 13,553.33 = 5,345.04 : x
2. Step 2: Convert to fraction form
   9,821.23/13,553.33 = 5,345.04/x
3. Step 3: Cross multiply
   9,821.23x = 13,553.33 × 5,345.04
4. Step 4: Simplify right side
   9,821.23x = 72,443,036.58
5. Step 5: Solve for x
   x = 72,443,036.58/9,821.23
6. Step 6: Final answer
   x = 7,376.17