Finding the Fourth Proportional to 188,062.81, 259,458.57 and 123,566.78

Step by Step Solution

1. Step 1: Write the proportion equation
   188,062.81 : 259,458.57 = 123,566.78 : x
2. Step 2: Convert to fraction form
   188,062.81/259,458.57 = 123,566.78/x
3. Step 3: Cross multiply
   188,062.81x = 259,458.57 × 123,566.78
4. Step 4: Simplify right side
   188,062.81x = 32,060,460,038.30
5. Step 5: Solve for x
   x = 32,060,460,038.30/188,062.81
6. Step 6: Final answer
   x = 170,477.41