Finding the Fourth Proportional to 172,914, 238,621.32 and 93,426

Step by Step Solution

1. Step 1: Write the proportion equation
   172,914 : 238,621.32 = 93,426 : x
2. Step 2: Convert to fraction form
   172,914/238,621.32 = 93,426/x
3. Step 3: Cross multiply
   172,914x = 238,621.32 × 93,426
4. Step 4: Simplify right side
   172,914x = 22,293,435,442.32
5. Step 5: Solve for x
   x = 22,293,435,442.32/172,914
6. Step 6: Final answer
   x = 128,927.88