Finding the Fourth Proportional to 13,096.76, 18,061.13 and 10,107.86

Step by Step Solution

1. Step 1: Write the proportion equation
   13,096.76 : 18,061.13 = 10,107.86 : x
2. Step 2: Convert to fraction form
   13,096.76/18,061.13 = 10,107.86/x
3. Step 3: Cross multiply
   13,096.76x = 18,061.13 × 10,107.86
4. Step 4: Simplify right side
   13,096.76x = 182,559,322.94
5. Step 5: Solve for x
   x = 182,559,322.94/13,096.76
6. Step 6: Final answer
   x = 13,939.27