Finding the Fourth Proportional to 123,590.56, 170,390.04 and 98,181.27

Step by Step Solution

1. Step 1: Write the proportion equation
   123,590.56 : 170,390.04 = 98,181.27 : x
2. Step 2: Convert to fraction form
   123,590.56/170,390.04 = 98,181.27/x
3. Step 3: Cross multiply
   123,590.56x = 170,390.04 × 98,181.27
4. Step 4: Simplify right side
   123,590.56x = 16,729,110,522.55
5. Step 5: Solve for x
   x = 16,729,110,522.55/123,590.56
6. Step 6: Final answer
   x = 135,359.13