Finding the Fourth Proportional to 978,505.59, 1,466,341.83 and 674,587.79

Step by Step Solution

1. Step 1: Write the proportion equation
   978,505.59 : 1,466,341.83 = 674,587.79 : x
2. Step 2: Convert to fraction form
   978,505.59/1,466,341.83 = 674,587.79/x
3. Step 3: Cross multiply
   978,505.59x = 1,466,341.83 × 674,587.79
4. Step 4: Simplify right side
   978,505.59x = 989,176,287,152.55
5. Step 5: Solve for x
   x = 989,176,287,152.55/978,505.59
6. Step 6: Final answer
   x = 1,010,905.10