Finding the Fourth Proportional to 85,389.23, 117,836.69 and 49,588.04

Step by Step Solution

1. Step 1: Write the proportion equation
   85,389.23 : 117,836.69 = 49,588.04 : x
2. Step 2: Convert to fraction form
   85,389.23/117,836.69 = 49,588.04/x
3. Step 3: Cross multiply
   85,389.23x = 117,836.69 × 49,588.04
4. Step 4: Simplify right side
   85,389.23x = 5,843,290,249.25
5. Step 5: Solve for x
   x = 5,843,290,249.25/85,389.23
6. Step 6: Final answer
   x = 68,431.23