Finding the Fourth Proportional to 188,443.95, 259,935.91 and 123,920.56

Step by Step Solution

1. Step 1: Write the proportion equation
   188,443.95 : 259,935.91 = 123,920.56 : x
2. Step 2: Convert to fraction form
   188,443.95/259,935.91 = 123,920.56/x
3. Step 3: Cross multiply
   188,443.95x = 259,935.91 × 123,920.56
4. Step 4: Simplify right side
   188,443.95x = 32,211,402,911.71
5. Step 5: Solve for x
   x = 32,211,402,911.71/188,443.95
6. Step 6: Final answer
   x = 170,933.61