Finding the Fourth Proportional to 13,879.98, 19,155.72 and 7,593.30

Step by Step Solution

1. Step 1: Write the proportion equation
   13,879.98 : 19,155.72 = 7,593.30 : x
2. Step 2: Convert to fraction form
   13,879.98/19,155.72 = 7,593.30/x
3. Step 3: Cross multiply
   13,879.98x = 19,155.72 × 7,593.30
4. Step 4: Simplify right side
   13,879.98x = 145,455,128.68
5. Step 5: Solve for x
   x = 145,455,128.68/13,879.98
6. Step 6: Final answer
   x = 10,479.49