Finding the Fourth Proportional to 85,609.50, 118,141.30 and 47,371.83

Step by Step Solution

1. Step 1: Write the proportion equation
   85,609.50 : 118,141.30 = 47,371.83 : x
2. Step 2: Convert to fraction form
   85,609.50/118,141.30 = 47,371.83/x
3. Step 3: Cross multiply
   85,609.50x = 118,141.30 × 47,371.83
4. Step 4: Simplify right side
   85,609.50x = 5,596,569,579.58
5. Step 5: Solve for x
   x = 5,596,569,579.58/85,609.50
6. Step 6: Final answer
   x = 65,373.23