Finding the Fourth Proportional to 9,300.58, 13,945.11 and 4,099.30

Step by Step Solution

1. Step 1: Write the proportion equation
   9,300.58 : 13,945.11 = 4,099.30 : x
2. Step 2: Convert to fraction form
   9,300.58/13,945.11 = 4,099.30/x
3. Step 3: Cross multiply
   9,300.58x = 13,945.11 × 4,099.30
4. Step 4: Simplify right side
   9,300.58x = 57,165,189.42
5. Step 5: Solve for x
   x = 57,165,189.42/9,300.58
6. Step 6: Final answer
   x = 6,146.41