Finding the Fourth Proportional to 85,667.76, 118,225.37 and 47,942.01

Step by Step Solution

1. Step 1: Write the proportion equation
   85,667.76 : 118,225.37 = 47,942.01 : x
2. Step 2: Convert to fraction form
   85,667.76/118,225.37 = 47,942.01/x
3. Step 3: Cross multiply
   85,667.76x = 118,225.37 × 47,942.01
4. Step 4: Simplify right side
   85,667.76x = 5,667,961,990.65
5. Step 5: Solve for x
   x = 5,667,961,990.65/85,667.76
6. Step 6: Final answer
   x = 66,162.14