Finding the Fourth Proportional to 187,498.46, 258,503.59 and 119,490.62

Step by Step Solution

1. Step 1: Write the proportion equation
   187,498.46 : 258,503.59 = 119,490.62 : x
2. Step 2: Convert to fraction form
   187,498.46/258,503.59 = 119,490.62/x
3. Step 3: Cross multiply
   187,498.46x = 258,503.59 × 119,490.62
4. Step 4: Simplify right side
   187,498.46x = 30,888,754,241.33
5. Step 5: Solve for x
   x = 30,888,754,241.33/187,498.46
6. Step 6: Final answer
   x = 164,741.38