Finding the Fourth Proportional to 1,179,401.30, 1,627,374.81 and 663,087.05

Step by Step Solution

1. Step 1: Write the proportion equation
   1,179,401.30 : 1,627,374.81 = 663,087.05 : x
2. Step 2: Convert to fraction form
   1,179,401.30/1,627,374.81 = 663,087.05/x
3. Step 3: Cross multiply
   1,179,401.30x = 1,627,374.81 × 663,087.05
4. Step 4: Simplify right side
   1,179,401.30x = 1,079,091,162,007.21
5. Step 5: Solve for x
   x = 1,079,091,162,007.21/1,179,401.30
6. Step 6: Final answer
   x = 914,948.26