Finding the Fourth Proportional to 9,789.84, 13,510.80 and 5,598

Step by Step Solution

1. Step 1: Write the proportion equation
   9,789.84 : 13,510.80 = 5,598 : x
2. Step 2: Convert to fraction form
   9,789.84/13,510.80 = 5,598/x
3. Step 3: Cross multiply
   9,789.84x = 13,510.80 × 5,598
4. Step 4: Simplify right side
   9,789.84x = 75,633,458.40
5. Step 5: Solve for x
   x = 75,633,458.40/9,789.84
6. Step 6: Final answer
   x = 7,725.71