Finding the Fourth Proportional to 945,172, 1,304,414.72 and 537,401.76

Step by Step Solution

1. Step 1: Write the proportion equation
   945,172 : 1,304,414.72 = 537,401.76 : x
2. Step 2: Convert to fraction form
   945,172/1,304,414.72 = 537,401.76/x
3. Step 3: Cross multiply
   945,172x = 1,304,414.72 × 537,401.76
4. Step 4: Simplify right side
   945,172x = 700,994,766,297.91
5. Step 5: Solve for x
   x = 700,994,766,297.91/945,172
6. Step 6: Final answer
   x = 741,658.41