Finding the Fourth Proportional to 9,290.73, 13,930.86 and 3,050.21

Step by Step Solution

1. Step 1: Write the proportion equation
   9,290.73 : 13,930.86 = 3,050.21 : x
2. Step 2: Convert to fraction form
   9,290.73/13,930.86 = 3,050.21/x
3. Step 3: Cross multiply
   9,290.73x = 13,930.86 × 3,050.21
4. Step 4: Simplify right side
   9,290.73x = 42,492,120.87
5. Step 5: Solve for x
   x = 42,492,120.87/9,290.73
6. Step 6: Final answer
   x = 4,573.61