Finding the Fourth Proportional to 435,419,315.55, 600,861,662.38 and 266,156,931.69

Step by Step Solution

1. Step 1: Write the proportion equation
   435,419,315.55 : 600,861,662.38 = 266,156,931.69 : x
2. Step 2: Convert to fraction form
   435,419,315.55/600,861,662.38 = 266,156,931.69/x
3. Step 3: Cross multiply
   435,419,315.55x = 600,861,662.38 × 266,156,931.69
4. Step 4: Simplify right side
   435,419,315.55x = 159,923,496,429,213,504
5. Step 5: Solve for x
   x = 159,923,496,429,213,504/435,419,315.55
6. Step 6: Final answer
   x = 367,286,178.44