Finding the Fourth Proportional to 757,303.34, 1,045,061.78 and 417,771.50

Step by Step Solution

1. Step 1: Write the proportion equation
   757,303.34 : 1,045,061.78 = 417,771.50 : x
2. Step 2: Convert to fraction form
   757,303.34/1,045,061.78 = 417,771.50/x
3. Step 3: Cross multiply
   757,303.34x = 1,045,061.78 × 417,771.50
4. Step 4: Simplify right side
   757,303.34x = 436,597,027,423.27
5. Step 5: Solve for x
   x = 436,597,027,423.27/757,303.34
6. Step 6: Final answer
   x = 576,515.39