Finding the Fourth Proportional to 195,070, 269,196.60 and 105,646

Step by Step Solution

1. Step 1: Write the proportion equation
   195,070 : 269,196.60 = 105,646 : x
2. Step 2: Convert to fraction form
   195,070/269,196.60 = 105,646/x
3. Step 3: Cross multiply
   195,070x = 269,196.60 × 105,646
4. Step 4: Simplify right side
   195,070x = 28,439,544,003.60
5. Step 5: Solve for x
   x = 28,439,544,003.60/195,070
6. Step 6: Final answer
   x = 145,791.48