Finding the Fourth Proportional to 13,879.22, 19,153.33 and 7,591.59

Step by Step Solution

1. Step 1: Write the proportion equation
   13,879.22 : 19,153.33 = 7,591.59 : x
2. Step 2: Convert to fraction form
   13,879.22/19,153.33 = 7,591.59/x
3. Step 3: Cross multiply
   13,879.22x = 19,153.33 × 7,591.59
4. Step 4: Simplify right side
   13,879.22x = 145,404,209.52
5. Step 5: Solve for x
   x = 145,404,209.52/13,879.22
6. Step 6: Final answer
   x = 10,476.40