Finding the Fourth Proportional to 6,573.48, 9,860.38 and 3,111.08

Step by Step Solution

1. Step 1: Write the proportion equation
   6,573.48 : 9,860.38 = 3,111.08 : x
2. Step 2: Convert to fraction form
   6,573.48/9,860.38 = 3,111.08/x
3. Step 3: Cross multiply
   6,573.48x = 9,860.38 × 3,111.08
4. Step 4: Simplify right side
   6,573.48x = 30,676,431.01
5. Step 5: Solve for x
   x = 30,676,431.01/6,573.48
6. Step 6: Final answer
   x = 4,666.70