Finding the Fourth Proportional to 978,503.72, 1,466,339.02 and 674,585.91

Step by Step Solution

1. Step 1: Write the proportion equation
   978,503.72 : 1,466,339.02 = 674,585.91 : x
2. Step 2: Convert to fraction form
   978,503.72/1,466,339.02 = 674,585.91/x
3. Step 3: Cross multiply
   978,503.72x = 1,466,339.02 × 674,585.91
4. Step 4: Simplify right side
   978,503.72x = 989,171,640,488.74
5. Step 5: Solve for x
   x = 989,171,640,488.74/978,503.72
6. Step 6: Final answer
   x = 1,010,902.28