Finding the Fourth Proportional to 85,447.33, 117,913.72 and 49,146.03

Step by Step Solution

1. Step 1: Write the proportion equation
   85,447.33 : 117,913.72 = 49,146.03 : x
2. Step 2: Convert to fraction form
   85,447.33/117,913.72 = 49,146.03/x
3. Step 3: Cross multiply
   85,447.33x = 117,913.72 × 49,146.03
4. Step 4: Simplify right side
   85,447.33x = 5,794,991,576.75
5. Step 5: Solve for x
   x = 5,794,991,576.75/85,447.33
6. Step 6: Final answer
   x = 67,819.46