Finding the Fourth Proportional to 187,669.24, 258,941.94 and 111,150.16

Step by Step Solution

1. Step 1: Write the proportion equation
   187,669.24 : 258,941.94 = 111,150.16 : x
2. Step 2: Convert to fraction form
   187,669.24/258,941.94 = 111,150.16/x
3. Step 3: Cross multiply
   187,669.24x = 258,941.94 × 111,150.16
4. Step 4: Simplify right side
   187,669.24x = 28,781,438,061.71
5. Step 5: Solve for x
   x = 28,781,438,061.71/187,669.24
6. Step 6: Final answer
   x = 153,362.58