Finding the Fourth Proportional to 185,111.37, 277,609.59 and 66,767.31

Step by Step Solution

1. Step 1: Write the proportion equation
   185,111.37 : 277,609.59 = 66,767.31 : x
2. Step 2: Convert to fraction form
   185,111.37/277,609.59 = 66,767.31/x
3. Step 3: Cross multiply
   185,111.37x = 277,609.59 × 66,767.31
4. Step 4: Simplify right side
   185,111.37x = 18,535,245,554.50
5. Step 5: Solve for x
   x = 18,535,245,554.50/185,111.37
6. Step 6: Final answer
   x = 100,130.24