Finding the Fourth Proportional to 1,149,311.43, 1,585,910.89 and 659,255.55

Step by Step Solution

1. Step 1: Write the proportion equation
   1,149,311.43 : 1,585,910.89 = 659,255.55 : x
2. Step 2: Convert to fraction form
   1,149,311.43/1,585,910.89 = 659,255.55/x
3. Step 3: Cross multiply
   1,149,311.43x = 1,585,910.89 × 659,255.55
4. Step 4: Simplify right side
   1,149,311.43x = 1,045,520,556,037.94
5. Step 5: Solve for x
   x = 1,045,520,556,037.94/1,149,311.43
6. Step 6: Final answer
   x = 909,692.99