Finding the Fourth Proportional to 1,404,535.08, 2,106,820.50 and 493,680.78

Step by Step Solution

1. Step 1: Write the proportion equation
   1,404,535.08 : 2,106,820.50 = 493,680.78 : x
2. Step 2: Convert to fraction form
   1,404,535.08/2,106,820.50 = 493,680.78/x
3. Step 3: Cross multiply
   1,404,535.08x = 2,106,820.50 × 493,680.78
4. Step 4: Simplify right side
   1,404,535.08x = 1,040,096,787,759.99
5. Step 5: Solve for x
   x = 1,040,096,787,759.99/1,404,535.08
6. Step 6: Final answer
   x = 740,527.45