Finding the Fourth Proportional to 123,245.68, 170,106.96 and 103,067.52

Step by Step Solution

1. Step 1: Write the proportion equation
   123,245.68 : 170,106.96 = 103,067.52 : x
2. Step 2: Convert to fraction form
   123,245.68/170,106.96 = 103,067.52/x
3. Step 3: Cross multiply
   123,245.68x = 170,106.96 × 103,067.52
4. Step 4: Simplify right side
   123,245.68x = 17,532,502,501.94
5. Step 5: Solve for x
   x = 17,532,502,501.94/123,245.68
6. Step 6: Final answer
   x = 142,256.53