Finding the Fourth Proportional to 187,601.14, 259,116.78 and 136,532.89

Step by Step Solution

1. Step 1: Write the proportion equation
   187,601.14 : 259,116.78 = 136,532.89 : x
2. Step 2: Convert to fraction form
   187,601.14/259,116.78 = 136,532.89/x
3. Step 3: Cross multiply
   187,601.14x = 259,116.78 × 136,532.89
4. Step 4: Simplify right side
   187,601.14x = 35,377,962,820.89
5. Step 5: Solve for x
   x = 35,377,962,820.89/187,601.14
6. Step 6: Final answer
   x = 188,580.75