Finding the Fourth Proportional to 9,185.05, 12,675.38 and 4,993.30

Step by Step Solution

1. Step 1: Write the proportion equation
   9,185.05 : 12,675.38 = 4,993.30 : x
2. Step 2: Convert to fraction form
   9,185.05/12,675.38 = 4,993.30/x
3. Step 3: Cross multiply
   9,185.05x = 12,675.38 × 4,993.30
4. Step 4: Simplify right side
   9,185.05x = 63,291,886.61
5. Step 5: Solve for x
   x = 63,291,886.61/9,185.05
6. Step 6: Final answer
   x = 6,890.75