Finding the Fourth Proportional to 12,354.69, 17,049.48 and 7,051.22

Step by Step Solution

1. Step 1: Write the proportion equation
   12,354.69 : 17,049.48 = 7,051.22 : x
2. Step 2: Convert to fraction form
   12,354.69/17,049.48 = 7,051.22/x
3. Step 3: Cross multiply
   12,354.69x = 17,049.48 × 7,051.22
4. Step 4: Simplify right side
   12,354.69x = 120,219,549.12
5. Step 5: Solve for x
   x = 120,219,549.12/12,354.69
6. Step 6: Final answer
   x = 9,730.68