Finding the Fourth Proportional to 9,404.74, 12,979.45 and 5,214.02

Step by Step Solution

1. Step 1: Write the proportion equation
   9,404.74 : 12,979.45 = 5,214.02 : x
2. Step 2: Convert to fraction form
   9,404.74/12,979.45 = 5,214.02/x
3. Step 3: Cross multiply
   9,404.74x = 12,979.45 × 5,214.02
4. Step 4: Simplify right side
   9,404.74x = 67,675,111.89
5. Step 5: Solve for x
   x = 67,675,111.89/9,404.74
6. Step 6: Final answer
   x = 7,195.85