Finding the Fourth Proportional to 195,298.74, 269,541 and 123,685.42

Step by Step Solution

1. Step 1: Write the proportion equation
   195,298.74 : 269,541 = 123,685.42 : x
2. Step 2: Convert to fraction form
   195,298.74/269,541 = 123,685.42/x
3. Step 3: Cross multiply
   195,298.74x = 269,541 × 123,685.42
4. Step 4: Simplify right side
   195,298.74x = 33,338,291,792.22
5. Step 5: Solve for x
   x = 33,338,291,792.22/195,298.74
6. Step 6: Final answer
   x = 170,704.08