Finding the Fourth Proportional to 1,918,680.71, 2,648,126.00 and 1,144,361.21

Step by Step Solution

1. Step 1: Write the proportion equation
   1,918,680.71 : 2,648,126.00 = 1,144,361.21 : x
2. Step 2: Convert to fraction form
   1,918,680.71/2,648,126.00 = 1,144,361.21/x
3. Step 3: Cross multiply
   1,918,680.71x = 2,648,126.00 × 1,144,361.21
4. Step 4: Simplify right side
   1,918,680.71x = 3,030,412,667,870.65
5. Step 5: Solve for x
   x = 3,030,412,667,870.65/1,918,680.71
6. Step 6: Final answer
   x = 1,579,425.20