Finding the Fourth Proportional to 262,018.53, 361,860.05 and 180,558.59

Step by Step Solution

1. Step 1: Write the proportion equation
   262,018.53 : 361,860.05 = 180,558.59 : x
2. Step 2: Convert to fraction form
   262,018.53/361,860.05 = 180,558.59/x
3. Step 3: Cross multiply
   262,018.53x = 361,860.05 × 180,558.59
4. Step 4: Simplify right side
   262,018.53x = 65,336,939,047.43
5. Step 5: Solve for x
   x = 65,336,939,047.43/262,018.53
6. Step 6: Final answer
   x = 249,359.99