Finding the Fourth Proportional to 8,777.96, 12,104.38 and 5,789.98

Step by Step Solution

1. Step 1: Write the proportion equation
   8,777.96 : 12,104.38 = 5,789.98 : x
2. Step 2: Convert to fraction form
   8,777.96/12,104.38 = 5,789.98/x
3. Step 3: Cross multiply
   8,777.96x = 12,104.38 × 5,789.98
4. Step 4: Simplify right side
   8,777.96x = 70,084,118.11
5. Step 5: Solve for x
   x = 70,084,118.11/8,777.96
6. Step 6: Final answer
   x = 7,984.10