Finding the Fourth Proportional to 85,727.25, 118,303.61 and 48,002.31

Step by Step Solution

1. Step 1: Write the proportion equation
   85,727.25 : 118,303.61 = 48,002.31 : x
2. Step 2: Convert to fraction form
   85,727.25/118,303.61 = 48,002.31/x
3. Step 3: Cross multiply
   85,727.25x = 118,303.61 × 48,002.31
4. Step 4: Simplify right side
   85,727.25x = 5,678,846,321.33
5. Step 5: Solve for x
   x = 5,678,846,321.33/85,727.25
6. Step 6: Final answer
   x = 66,243.19