Finding the Fourth Proportional to 172,537, 238,017.58 and 111,267

Step by Step Solution

1. Step 1: Write the proportion equation
   172,537 : 238,017.58 = 111,267 : x
2. Step 2: Convert to fraction form
   172,537/238,017.58 = 111,267/x
3. Step 3: Cross multiply
   172,537x = 238,017.58 × 111,267
4. Step 4: Simplify right side
   172,537x = 26,483,502,073.86
5. Step 5: Solve for x
   x = 26,483,502,073.86/172,537
6. Step 6: Final answer
   x = 153,494.62