Finding the Fourth Proportional to 85,104.85, 117,434.49 and 49,289.89

Step by Step Solution

1. Step 1: Write the proportion equation
   85,104.85 : 117,434.49 = 49,289.89 : x
2. Step 2: Convert to fraction form
   85,104.85/117,434.49 = 49,289.89/x
3. Step 3: Cross multiply
   85,104.85x = 117,434.49 × 49,289.89
4. Step 4: Simplify right side
   85,104.85x = 5,788,333,094.31
5. Step 5: Solve for x
   x = 5,788,333,094.31/85,104.85
6. Step 6: Final answer
   x = 68,014.14