Finding the Fourth Proportional to 187,735.78, 281,519.49 and 111,870.10

Step by Step Solution

1. Step 1: Write the proportion equation
   187,735.78 : 281,519.49 = 111,870.10 : x
2. Step 2: Convert to fraction form
   187,735.78/281,519.49 = 111,870.10/x
3. Step 3: Cross multiply
   187,735.78x = 281,519.49 × 111,870.10
4. Step 4: Simplify right side
   187,735.78x = 31,493,612,090.65
5. Step 5: Solve for x
   x = 31,493,612,090.65/187,735.78
6. Step 6: Final answer
   x = 167,754.98