Finding the Fourth Proportional to 9,780.17, 13,496.85 and 5,799.83

Step by Step Solution

1. Step 1: Write the proportion equation
   9,780.17 : 13,496.85 = 5,799.83 : x
2. Step 2: Convert to fraction form
   9,780.17/13,496.85 = 5,799.83/x
3. Step 3: Cross multiply
   9,780.17x = 13,496.85 × 5,799.83
4. Step 4: Simplify right side
   9,780.17x = 78,279,435.54
5. Step 5: Solve for x
   x = 78,279,435.54/9,780.17
6. Step 6: Final answer
   x = 8,003.89