Finding the Fourth Proportional to 120,992.03, 181,401.59 and 56,914.31

Step by Step Solution

1. Step 1: Write the proportion equation
   120,992.03 : 181,401.59 = 56,914.31 : x
2. Step 2: Convert to fraction form
   120,992.03/181,401.59 = 56,914.31/x
3. Step 3: Cross multiply
   120,992.03x = 181,401.59 × 56,914.31
4. Step 4: Simplify right side
   120,992.03x = 10,324,345,136.17
5. Step 5: Solve for x
   x = 10,324,345,136.17/120,992.03
6. Step 6: Final answer
   x = 85,330.79