Finding the Fourth Proportional to 187,100.24, 258,116.04 and 111,605

Step by Step Solution

1. Step 1: Write the proportion equation
   187,100.24 : 258,116.04 = 111,605 : x
2. Step 2: Convert to fraction form
   187,100.24/258,116.04 = 111,605/x
3. Step 3: Cross multiply
   187,100.24x = 258,116.04 × 111,605
4. Step 4: Simplify right side
   187,100.24x = 28,807,040,644.20
5. Step 5: Solve for x
   x = 28,807,040,644.20/187,100.24
6. Step 6: Final answer
   x = 153,965.81