Finding the Fourth Proportional to 13,849.22, 19,111.25 and 7,880.33

Step by Step Solution

1. Step 1: Write the proportion equation
   13,849.22 : 19,111.25 = 7,880.33 : x
2. Step 2: Convert to fraction form
   13,849.22/19,111.25 = 7,880.33/x
3. Step 3: Cross multiply
   13,849.22x = 19,111.25 × 7,880.33
4. Step 4: Simplify right side
   13,849.22x = 150,602,821.75
5. Step 5: Solve for x
   x = 150,602,821.75/13,849.22
6. Step 6: Final answer
   x = 10,874.47