Finding the Fourth Proportional to 6,973.89, 9,620.39 and 4,453.35

Step by Step Solution

1. Step 1: Write the proportion equation
   6,973.89 : 9,620.39 = 4,453.35 : x
2. Step 2: Convert to fraction form
   6,973.89/9,620.39 = 4,453.35/x
3. Step 3: Cross multiply
   6,973.89x = 9,620.39 × 4,453.35
4. Step 4: Simplify right side
   6,973.89x = 42,842,938.86
5. Step 5: Solve for x
   x = 42,842,938.86/6,973.89
6. Step 6: Final answer
   x = 6,143.34