Finding the Fourth Proportional to 120,971.94, 181,461.96 and 42,086.94

Step by Step Solution

1. Step 1: Write the proportion equation
   120,971.94 : 181,461.96 = 42,086.94 : x
2. Step 2: Convert to fraction form
   120,971.94/181,461.96 = 42,086.94/x
3. Step 3: Cross multiply
   120,971.94x = 181,461.96 × 42,086.94
4. Step 4: Simplify right side
   120,971.94x = 7,637,178,622.80
5. Step 5: Solve for x
   x = 7,637,178,622.80/120,971.94
6. Step 6: Final answer
   x = 63,131.82