Finding the Fourth Proportional to 9,185.76, 13,779.12 and 3,030.24

Step by Step Solution

1. Step 1: Write the proportion equation
   9,185.76 : 13,779.12 = 3,030.24 : x
2. Step 2: Convert to fraction form
   9,185.76/13,779.12 = 3,030.24/x
3. Step 3: Cross multiply
   9,185.76x = 13,779.12 × 3,030.24
4. Step 4: Simplify right side
   9,185.76x = 41,754,040.59
5. Step 5: Solve for x
   x = 41,754,040.59/9,185.76
6. Step 6: Final answer
   x = 4,545.52