Finding the Fourth Proportional to 1,093,038.42, 1,639,574.32 and 493,581.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,093,038.42 : 1,639,574.32 = 493,581.72 : x
2. Step 2: Convert to fraction form
   1,093,038.42/1,639,574.32 = 493,581.72/x
3. Step 3: Cross multiply
   1,093,038.42x = 1,639,574.32 × 493,581.72
4. Step 4: Simplify right side
   1,093,038.42x = 809,263,912,933.43
5. Step 5: Solve for x
   x = 809,263,912,933.43/1,093,038.42
6. Step 6: Final answer
   x = 740,380.12