Finding the Fourth Proportional to 8,380.35, 12,554.73 and 7,002.54

Step by Step Solution

1. Step 1: Write the proportion equation
   8,380.35 : 12,554.73 = 7,002.54 : x
2. Step 2: Convert to fraction form
   8,380.35/12,554.73 = 7,002.54/x
3. Step 3: Cross multiply
   8,380.35x = 12,554.73 × 7,002.54
4. Step 4: Simplify right side
   8,380.35x = 87,914,999.01
5. Step 5: Solve for x
   x = 87,914,999.01/8,380.35
6. Step 6: Final answer
   x = 10,490.61