Finding the Fourth Proportional to 12,379.22, 17,083.35 and 7,074.02

Step by Step Solution

1. Step 1: Write the proportion equation
   12,379.22 : 17,083.35 = 7,074.02 : x
2. Step 2: Convert to fraction form
   12,379.22/17,083.35 = 7,074.02/x
3. Step 3: Cross multiply
   12,379.22x = 17,083.35 × 7,074.02
4. Step 4: Simplify right side
   12,379.22x = 120,848,002.28
5. Step 5: Solve for x
   x = 120,848,002.28/12,379.22
6. Step 6: Final answer
   x = 9,762.17