Finding the Fourth Proportional to 9,164.74, 12,647.38 and 4,973.02

Step by Step Solution

1. Step 1: Write the proportion equation
   9,164.74 : 12,647.38 = 4,973.02 : x
2. Step 2: Convert to fraction form
   9,164.74/12,647.38 = 4,973.02/x
3. Step 3: Cross multiply
   9,164.74x = 12,647.38 × 4,973.02
4. Step 4: Simplify right side
   9,164.74x = 62,895,673.69
5. Step 5: Solve for x
   x = 62,895,673.69/9,164.74
6. Step 6: Final answer
   x = 6,862.79