Finding the Fourth Proportional to 13,879.34, 19,153.78 and 7,592.12

Step by Step Solution

1. Step 1: Write the proportion equation
   13,879.34 : 19,153.78 = 7,592.12 : x
2. Step 2: Convert to fraction form
   13,879.34/19,153.78 = 7,592.12/x
3. Step 3: Cross multiply
   13,879.34x = 19,153.78 × 7,592.12
4. Step 4: Simplify right side
   13,879.34x = 145,417,758.25
5. Step 5: Solve for x
   x = 145,417,758.25/13,879.34
6. Step 6: Final answer
   x = 10,477.28