Finding the Fourth Proportional to 120,705.78, 181,038.06 and 31,968.30

Step by Step Solution

1. Step 1: Write the proportion equation
   120,705.78 : 181,038.06 = 31,968.30 : x
2. Step 2: Convert to fraction form
   120,705.78/181,038.06 = 31,968.30/x
3. Step 3: Cross multiply
   120,705.78x = 181,038.06 × 31,968.30
4. Step 4: Simplify right side
   120,705.78x = 5,787,479,013.50
5. Step 5: Solve for x
   x = 5,787,479,013.50/120,705.78
6. Step 6: Final answer
   x = 47,946.99