Finding the Fourth Proportional to 13,825.99, 19,079.05 and 7,856.83

Step by Step Solution

1. Step 1: Write the proportion equation
   13,825.99 : 19,079.05 = 7,856.83 : x
2. Step 2: Convert to fraction form
   13,825.99/19,079.05 = 7,856.83/x
3. Step 3: Cross multiply
   13,825.99x = 19,079.05 × 7,856.83
4. Step 4: Simplify right side
   13,825.99x = 149,900,852.41
5. Step 5: Solve for x
   x = 149,900,852.41/13,825.99
6. Step 6: Final answer
   x = 10,841.96