Finding the Fourth Proportional to 12,380.10, 17,084.24 and 7,074.58

Step by Step Solution

1. Step 1: Write the proportion equation
   12,380.10 : 17,084.24 = 7,074.58 : x
2. Step 2: Convert to fraction form
   12,380.10/17,084.24 = 7,074.58/x
3. Step 3: Cross multiply
   12,380.10x = 17,084.24 × 7,074.58
4. Step 4: Simplify right side
   12,380.10x = 120,863,822.62
5. Step 5: Solve for x
   x = 120,863,822.62/12,380.10
6. Step 6: Final answer
   x = 9,762.75