Finding the Fourth Proportional to 172,749, 238,453.28 and 101,152.04

Step by Step Solution

1. Step 1: Write the proportion equation
   172,749 : 238,453.28 = 101,152.04 : x
2. Step 2: Convert to fraction form
   172,749/238,453.28 = 101,152.04/x
3. Step 3: Cross multiply
   172,749x = 238,453.28 × 101,152.04
4. Step 4: Simplify right side
   172,749x = 24,120,035,716.69
5. Step 5: Solve for x
   x = 24,120,035,716.69/172,749
6. Step 6: Final answer
   x = 139,624.75