Finding the Fourth Proportional to 1,065,085.62, 1,597,628.42 and 266,367.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,065,085.62 : 1,597,628.42 = 266,367.12 : x
2. Step 2: Convert to fraction form
   1,065,085.62/1,597,628.42 = 266,367.12/x
3. Step 3: Cross multiply
   1,065,085.62x = 1,597,628.42 × 266,367.12
4. Step 4: Simplify right side
   1,065,085.62x = 425,555,681,065.55
5. Step 5: Solve for x
   x = 425,555,681,065.55/1,065,085.62
6. Step 6: Final answer
   x = 399,550.68