Finding the Fourth Proportional to 1,402,991.90, 1,936,128.83 and 758,412.09

Step by Step Solution

1. Step 1: Write the proportion equation
   1,402,991.90 : 1,936,128.83 = 758,412.09 : x
2. Step 2: Convert to fraction form
   1,402,991.90/1,936,128.83 = 758,412.09/x
3. Step 3: Cross multiply
   1,402,991.90x = 1,936,128.83 × 758,412.09
4. Step 4: Simplify right side
   1,402,991.90x = 1,468,383,508,677.49
5. Step 5: Solve for x
   x = 1,468,383,508,677.49/1,402,991.90
6. Step 6: Final answer
   x = 1,046,608.69