Finding the Fourth Proportional to 120,604.01, 180,914.69 and 31,856.36

Step by Step Solution

1. Step 1: Write the proportion equation
   120,604.01 : 180,914.69 = 31,856.36 : x
2. Step 2: Convert to fraction form
   120,604.01/180,914.69 = 31,856.36/x
3. Step 3: Cross multiply
   120,604.01x = 180,914.69 × 31,856.36
4. Step 4: Simplify right side
   120,604.01x = 5,763,282,669.00
5. Step 5: Solve for x
   x = 5,763,282,669.00/120,604.01
6. Step 6: Final answer
   x = 47,786.83