Finding the Fourth Proportional to 13,879.82, 19,154.61 and 7,592.20

Step by Step Solution

1. Step 1: Write the proportion equation
   13,879.82 : 19,154.61 = 7,592.20 : x
2. Step 2: Convert to fraction form
   13,879.82/19,154.61 = 7,592.20/x
3. Step 3: Cross multiply
   13,879.82x = 19,154.61 × 7,592.20
4. Step 4: Simplify right side
   13,879.82x = 145,425,630.04
5. Step 5: Solve for x
   x = 145,425,630.04/13,879.82
6. Step 6: Final answer
   x = 10,477.49