Finding the Fourth Proportional to 89,455.41, 123,442.25 and 49,168.17

Step by Step Solution

1. Step 1: Write the proportion equation
   89,455.41 : 123,442.25 = 49,168.17 : x
2. Step 2: Convert to fraction form
   89,455.41/123,442.25 = 49,168.17/x
3. Step 3: Cross multiply
   89,455.41x = 123,442.25 × 49,168.17
4. Step 4: Simplify right side
   89,455.41x = 6,069,429,287.34
5. Step 5: Solve for x
   x = 6,069,429,287.34/89,455.41
6. Step 6: Final answer
   x = 67,848.66