Finding the Fourth Proportional to 172,667.57, 238,292.22 and 104,691.05

Step by Step Solution

1. Step 1: Write the proportion equation
   172,667.57 : 238,292.22 = 104,691.05 : x
2. Step 2: Convert to fraction form
   172,667.57/238,292.22 = 104,691.05/x
3. Step 3: Cross multiply
   172,667.57x = 238,292.22 × 104,691.05
4. Step 4: Simplify right side
   172,667.57x = 24,947,062,718.63
5. Step 5: Solve for x
   x = 24,947,062,718.63/172,667.57
6. Step 6: Final answer
   x = 144,480.30