Finding the Fourth Proportional to 231,150.87, 318,994.52 and 130,548.87

Step by Step Solution

1. Step 1: Write the proportion equation
   231,150.87 : 318,994.52 = 130,548.87 : x
2. Step 2: Convert to fraction form
   231,150.87/318,994.52 = 130,548.87/x
3. Step 3: Cross multiply
   231,150.87x = 318,994.52 × 130,548.87
4. Step 4: Simplify right side
   231,150.87x = 41,644,373,469.45
5. Step 5: Solve for x
   x = 41,644,373,469.45/231,150.87
6. Step 6: Final answer
   x = 180,161.01