Finding the Fourth Proportional to 85,665.01, 118,230.08 and 49,359.50

Step by Step Solution

1. Step 1: Write the proportion equation
   85,665.01 : 118,230.08 = 49,359.50 : x
2. Step 2: Convert to fraction form
   85,665.01/118,230.08 = 49,359.50/x
3. Step 3: Cross multiply
   85,665.01x = 118,230.08 × 49,359.50
4. Step 4: Simplify right side
   85,665.01x = 5,835,777,067.00
5. Step 5: Solve for x
   x = 5,835,777,067.00/85,665.01
6. Step 6: Final answer
   x = 68,123.23