Finding the Fourth Proportional to 504,591.42, 756,758.15 and 149,522.40

Step by Step Solution

1. Step 1: Write the proportion equation
   504,591.42 : 756,758.15 = 149,522.40 : x
2. Step 2: Convert to fraction form
   504,591.42/756,758.15 = 149,522.40/x
3. Step 3: Cross multiply
   504,591.42x = 756,758.15 × 149,522.40
4. Step 4: Simplify right side
   504,591.42x = 113,152,295,461.72
5. Step 5: Solve for x
   x = 113,152,295,461.72/504,591.42
6. Step 6: Final answer
   x = 224,245.38