Finding the Fourth Proportional to 9,283.72, 12,811.70 and 5,091.92

Step by Step Solution

1. Step 1: Write the proportion equation
   9,283.72 : 12,811.70 = 5,091.92 : x
2. Step 2: Convert to fraction form
   9,283.72/12,811.70 = 5,091.92/x
3. Step 3: Cross multiply
   9,283.72x = 12,811.70 × 5,091.92
4. Step 4: Simplify right side
   9,283.72x = 65,236,151.46
5. Step 5: Solve for x
   x = 65,236,151.46/9,283.72
6. Step 6: Final answer
   x = 7,026.94