Finding the Fourth Proportional to 9,333.16, 12,875.42 and 5,554.21

Step by Step Solution

1. Step 1: Write the proportion equation
   9,333.16 : 12,875.42 = 5,554.21 : x
2. Step 2: Convert to fraction form
   9,333.16/12,875.42 = 5,554.21/x
3. Step 3: Cross multiply
   9,333.16x = 12,875.42 × 5,554.21
4. Step 4: Simplify right side
   9,333.16x = 71,512,786.52
5. Step 5: Solve for x
   x = 71,512,786.52/9,333.16
6. Step 6: Final answer
   x = 7,662.23