Finding the Fourth Proportional to 9,164.85, 12,647.64 and 4,973.10

Step by Step Solution

1. Step 1: Write the proportion equation
   9,164.85 : 12,647.64 = 4,973.10 : x
2. Step 2: Convert to fraction form
   9,164.85/12,647.64 = 4,973.10/x
3. Step 3: Cross multiply
   9,164.85x = 12,647.64 × 4,973.10
4. Step 4: Simplify right side
   9,164.85x = 62,897,978.48
5. Step 5: Solve for x
   x = 62,897,978.48/9,164.85
6. Step 6: Final answer
   x = 6,862.96