Finding the Fourth Proportional to 9,340.88, 12,890.33 and 5,091.83

Step by Step Solution

1. Step 1: Write the proportion equation
   9,340.88 : 12,890.33 = 5,091.83 : x
2. Step 2: Convert to fraction form
   9,340.88/12,890.33 = 5,091.83/x
3. Step 3: Cross multiply
   9,340.88x = 12,890.33 × 5,091.83
4. Step 4: Simplify right side
   9,340.88x = 65,635,369.00
5. Step 5: Solve for x
   x = 65,635,369.00/9,340.88
6. Step 6: Final answer
   x = 7,026.68