Finding the Fourth Proportional to 13,498.98, 18,628.05 and 7,833.43

Step by Step Solution

1. Step 1: Write the proportion equation
   13,498.98 : 18,628.05 = 7,833.43 : x
2. Step 2: Convert to fraction form
   13,498.98/18,628.05 = 7,833.43/x
3. Step 3: Cross multiply
   13,498.98x = 18,628.05 × 7,833.43
4. Step 4: Simplify right side
   13,498.98x = 145,921,525.71
5. Step 5: Solve for x
   x = 145,921,525.71/13,498.98
6. Step 6: Final answer
   x = 10,809.82