Finding the Fourth Proportional to 13,843.55, 19,105.12 and 7,877.14

Step by Step Solution

1. Step 1: Write the proportion equation
   13,843.55 : 19,105.12 = 7,877.14 : x
2. Step 2: Convert to fraction form
   13,843.55/19,105.12 = 7,877.14/x
3. Step 3: Cross multiply
   13,843.55x = 19,105.12 × 7,877.14
4. Step 4: Simplify right side
   13,843.55x = 150,493,667.04
5. Step 5: Solve for x
   x = 150,493,667.04/13,843.55
6. Step 6: Final answer
   x = 10,871.03