Finding the Fourth Proportional to 123,985.28, 171,100.68 and 67,396.52

Step by Step Solution

1. Step 1: Write the proportion equation
   123,985.28 : 171,100.68 = 67,396.52 : x
2. Step 2: Convert to fraction form
   123,985.28/171,100.68 = 67,396.52/x
3. Step 3: Cross multiply
   123,985.28x = 171,100.68 × 67,396.52
4. Step 4: Simplify right side
   123,985.28x = 11,531,590,401.63
5. Step 5: Solve for x
   x = 11,531,590,401.63/123,985.28
6. Step 6: Final answer
   x = 93,007.74