Finding the Fourth Proportional to 187,667, 258,982.29 and 112,215.50

Step by Step Solution

1. Step 1: Write the proportion equation
   187,667 : 258,982.29 = 112,215.50 : x
2. Step 2: Convert to fraction form
   187,667/258,982.29 = 112,215.50/x
3. Step 3: Cross multiply
   187,667x = 258,982.29 × 112,215.50
4. Step 4: Simplify right side
   187,667x = 29,061,826,602.42
5. Step 5: Solve for x
   x = 29,061,826,602.42/187,667
6. Step 6: Final answer
   x = 154,858.48