Finding the Fourth Proportional to 102,231.69, 141,069.83 and 75,388.65

Step by Step Solution

1. Step 1: Write the proportion equation
   102,231.69 : 141,069.83 = 75,388.65 : x
2. Step 2: Convert to fraction form
   102,231.69/141,069.83 = 75,388.65/x
3. Step 3: Cross multiply
   102,231.69x = 141,069.83 × 75,388.65
4. Step 4: Simplify right side
   102,231.69x = 10,635,063,334.08
5. Step 5: Solve for x
   x = 10,635,063,334.08/102,231.69
6. Step 6: Final answer
   x = 104,029.03