Finding the Fourth Proportional to 9,030.80, 13,545.72 and 3,185.84

Step by Step Solution

1. Step 1: Write the proportion equation
   9,030.80 : 13,545.72 = 3,185.84 : x
2. Step 2: Convert to fraction form
   9,030.80/13,545.72 = 3,185.84/x
3. Step 3: Cross multiply
   9,030.80x = 13,545.72 × 3,185.84
4. Step 4: Simplify right side
   9,030.80x = 43,154,496.60
5. Step 5: Solve for x
   x = 43,154,496.60/9,030.80
6. Step 6: Final answer
   x = 4,778.59