Finding the Fourth Proportional to 188,066.62, 259,463.82 and 123,570.55

Step by Step Solution

1. Step 1: Write the proportion equation
   188,066.62 : 259,463.82 = 123,570.55 : x
2. Step 2: Convert to fraction form
   188,066.62/259,463.82 = 123,570.55/x
3. Step 3: Cross multiply
   188,066.62x = 259,463.82 × 123,570.55
4. Step 4: Simplify right side
   188,066.62x = 32,062,086,942.50
5. Step 5: Solve for x
   x = 32,062,086,942.50/188,066.62
6. Step 6: Final answer
   x = 170,482.60