Finding the Fourth Proportional to 120,727.16, 181,094.55 and 57,554.18

Step by Step Solution

1. Step 1: Write the proportion equation
   120,727.16 : 181,094.55 = 57,554.18 : x
2. Step 2: Convert to fraction form
   120,727.16/181,094.55 = 57,554.18/x
3. Step 3: Cross multiply
   120,727.16x = 181,094.55 × 57,554.18
4. Step 4: Simplify right side
   120,727.16x = 10,422,747,134.48
5. Step 5: Solve for x
   x = 10,422,747,134.48/120,727.16
6. Step 6: Final answer
   x = 86,333.08