Finding the Fourth Proportional to 172,477, 238,018.20 and 97,025.50

Step by Step Solution

1. Step 1: Write the proportion equation
   172,477 : 238,018.20 = 97,025.50 : x
2. Step 2: Convert to fraction form
   172,477/238,018.20 = 97,025.50/x
3. Step 3: Cross multiply
   172,477x = 238,018.20 × 97,025.50
4. Step 4: Simplify right side
   172,477x = 23,093,834,864.10
5. Step 5: Solve for x
   x = 23,093,834,864.10/172,477
6. Step 6: Final answer
   x = 133,895.16