Finding the Fourth Proportional to 978,508.72, 1,466,346.52 and 674,590.92

Step by Step Solution

1. Step 1: Write the proportion equation
   978,508.72 : 1,466,346.52 = 674,590.92 : x
2. Step 2: Convert to fraction form
   978,508.72/1,466,346.52 = 674,590.92/x
3. Step 3: Cross multiply
   978,508.72x = 1,466,346.52 × 674,590.92
4. Step 4: Simplify right side
   978,508.72x = 989,184,047,965.60
5. Step 5: Solve for x
   x = 989,184,047,965.60/978,508.72
6. Step 6: Final answer
   x = 1,010,909.79