Finding the Fourth Proportional to 9,822.18, 13,554.72 and 5,346

Step by Step Solution

1. Step 1: Write the proportion equation
   9,822.18 : 13,554.72 = 5,346 : x
2. Step 2: Convert to fraction form
   9,822.18/13,554.72 = 5,346/x
3. Step 3: Cross multiply
   9,822.18x = 13,554.72 × 5,346
4. Step 4: Simplify right side
   9,822.18x = 72,463,533.12
5. Step 5: Solve for x
   x = 72,463,533.12/9,822.18
6. Step 6: Final answer
   x = 7,377.54