Finding the Fourth Proportional to 963,410.72, 1,445,162.16 and 465,193.76

Step by Step Solution

1. Step 1: Write the proportion equation
   963,410.72 : 1,445,162.16 = 465,193.76 : x
2. Step 2: Convert to fraction form
   963,410.72/1,445,162.16 = 465,193.76/x
3. Step 3: Cross multiply
   963,410.72x = 1,445,162.16 × 465,193.76
4. Step 4: Simplify right side
   963,410.72x = 672,280,419,020.12
5. Step 5: Solve for x
   x = 672,280,419,020.12/963,410.72
6. Step 6: Final answer
   x = 697,812.89