Finding the Fourth Proportional to 238,076.82, 328,494.69 and 137,416.50

Step by Step Solution

1. Step 1: Write the proportion equation
   238,076.82 : 328,494.69 = 137,416.50 : x
2. Step 2: Convert to fraction form
   238,076.82/328,494.69 = 137,416.50/x
3. Step 3: Cross multiply
   238,076.82x = 328,494.69 × 137,416.50
4. Step 4: Simplify right side
   238,076.82x = 45,140,590,568.39
5. Step 5: Solve for x
   x = 45,140,590,568.39/238,076.82
6. Step 6: Final answer
   x = 189,605.15