Finding the Fourth Proportional to 1,761,667.43, 2,642,555.97 and 838,221.03

Step by Step Solution

1. Step 1: Write the proportion equation
   1,761,667.43 : 2,642,555.97 = 838,221.03 : x
2. Step 2: Convert to fraction form
   1,761,667.43/2,642,555.97 = 838,221.03/x
3. Step 3: Cross multiply
   1,761,667.43x = 2,642,555.97 × 838,221.03
4. Step 4: Simplify right side
   1,761,667.43x = 2,215,045,987,006.05
5. Step 5: Solve for x
   x = 2,215,045,987,006.05/1,761,667.43
6. Step 6: Final answer
   x = 1,257,357.63