Finding the Fourth Proportional to 12,109.98, 16,719.57 and 10,848.81

Step by Step Solution

1. Step 1: Write the proportion equation
   12,109.98 : 16,719.57 = 10,848.81 : x
2. Step 2: Convert to fraction form
   12,109.98/16,719.57 = 10,848.81/x
3. Step 3: Cross multiply
   12,109.98x = 16,719.57 × 10,848.81
4. Step 4: Simplify right side
   12,109.98x = 181,387,438.21
5. Step 5: Solve for x
   x = 181,387,438.21/12,109.98
6. Step 6: Final answer
   x = 14,978.34