Finding the Fourth Proportional to 307,144.72, 460,755.88 and 120,131.92

Step by Step Solution

1. Step 1: Write the proportion equation
   307,144.72 : 460,755.88 = 120,131.92 : x
2. Step 2: Convert to fraction form
   307,144.72/460,755.88 = 120,131.92/x
3. Step 3: Cross multiply
   307,144.72x = 460,755.88 × 120,131.92
4. Step 4: Simplify right side
   307,144.72x = 55,351,488,515.69
5. Step 5: Solve for x
   x = 55,351,488,515.69/307,144.72
6. Step 6: Final answer
   x = 180,213.06