Finding the Fourth Proportional to 9,030.28, 13,543.98 and 3,186.04

Step by Step Solution

1. Step 1: Write the proportion equation
   9,030.28 : 13,543.98 = 3,186.04 : x
2. Step 2: Convert to fraction form
   9,030.28/13,543.98 = 3,186.04/x
3. Step 3: Cross multiply
   9,030.28x = 13,543.98 × 3,186.04
4. Step 4: Simplify right side
   9,030.28x = 43,151,662.04
5. Step 5: Solve for x
   x = 43,151,662.04/9,030.28
6. Step 6: Final answer
   x = 4,778.55