Finding the Fourth Proportional to 9,355.34, 12,910.36 and 5,998.15

Step by Step Solution

1. Step 1: Write the proportion equation
   9,355.34 : 12,910.36 = 5,998.15 : x
2. Step 2: Convert to fraction form
   9,355.34/12,910.36 = 5,998.15/x
3. Step 3: Cross multiply
   9,355.34x = 12,910.36 × 5,998.15
4. Step 4: Simplify right side
   9,355.34x = 77,438,275.83
5. Step 5: Solve for x
   x = 77,438,275.83/9,355.34
6. Step 6: Final answer
   x = 8,277.44