Finding the Fourth Proportional to 238,667.39, 329,363.03 and 136,702.16

Step by Step Solution

1. Step 1: Write the proportion equation
   238,667.39 : 329,363.03 = 136,702.16 : x
2. Step 2: Convert to fraction form
   238,667.39/329,363.03 = 136,702.16/x
3. Step 3: Cross multiply
   238,667.39x = 329,363.03 × 136,702.16
4. Step 4: Simplify right side
   238,667.39x = 45,024,636,320.09
5. Step 5: Solve for x
   x = 45,024,636,320.09/238,667.39
6. Step 6: Final answer
   x = 188,650.14