Finding the Fourth Proportional to 13,837.79, 19,096.04 and 7,869.45

Step by Step Solution

1. Step 1: Write the proportion equation
   13,837.79 : 19,096.04 = 7,869.45 : x
2. Step 2: Convert to fraction form
   13,837.79/19,096.04 = 7,869.45/x
3. Step 3: Cross multiply
   13,837.79x = 19,096.04 × 7,869.45
4. Step 4: Simplify right side
   13,837.79x = 150,275,379.00
5. Step 5: Solve for x
   x = 150,275,379.00/13,837.79
6. Step 6: Final answer
   x = 10,859.78