Finding the Fourth Proportional to 111,785.41, 167,678.09 and 65,005.48

Step by Step Solution

1. Step 1: Write the proportion equation
   111,785.41 : 167,678.09 = 65,005.48 : x
2. Step 2: Convert to fraction form
   111,785.41/167,678.09 = 65,005.48/x
3. Step 3: Cross multiply
   111,785.41x = 167,678.09 × 65,005.48
4. Step 4: Simplify right side
   111,785.41x = 10,899,994,725.93
5. Step 5: Solve for x
   x = 10,899,994,725.93/111,785.41
6. Step 6: Final answer
   x = 97,508.21