Finding the Fourth Proportional to 9,300.80, 13,950.91 and 2,280.83

Step by Step Solution

1. Step 1: Write the proportion equation
   9,300.80 : 13,950.91 = 2,280.83 : x
2. Step 2: Convert to fraction form
   9,300.80/13,950.91 = 2,280.83/x
3. Step 3: Cross multiply
   9,300.80x = 13,950.91 × 2,280.83
4. Step 4: Simplify right side
   9,300.80x = 31,819,683.23
5. Step 5: Solve for x
   x = 31,819,683.23/9,300.80
6. Step 6: Final answer
   x = 3,421.18