Finding the Fourth Proportional to 238,411.69, 329,037.30 and 137,809.69

Step by Step Solution

1. Step 1: Write the proportion equation
   238,411.69 : 329,037.30 = 137,809.69 : x
2. Step 2: Convert to fraction form
   238,411.69/329,037.30 = 137,809.69/x
3. Step 3: Cross multiply
   238,411.69x = 329,037.30 × 137,809.69
4. Step 4: Simplify right side
   238,411.69x = 45,344,527,488.84
5. Step 5: Solve for x
   x = 45,344,527,488.84/238,411.69
6. Step 6: Final answer
   x = 190,194.23