Finding the Fourth Proportional to 120,970.94, 181,460.46 and 42,085.94

Step by Step Solution

1. Step 1: Write the proportion equation
   120,970.94 : 181,460.46 = 42,085.94 : x
2. Step 2: Convert to fraction form
   120,970.94/181,460.46 = 42,085.94/x
3. Step 3: Cross multiply
   120,970.94x = 181,460.46 × 42,085.94
4. Step 4: Simplify right side
   120,970.94x = 7,636,934,031.93
5. Step 5: Solve for x
   x = 7,636,934,031.93/120,970.94
6. Step 6: Final answer
   x = 63,130.32