Finding the Fourth Proportional to 1,279,401.67, 1,914,936.04 and 942,309.55

Step by Step Solution

1. Step 1: Write the proportion equation
   1,279,401.67 : 1,914,936.04 = 942,309.55 : x
2. Step 2: Convert to fraction form
   1,279,401.67/1,914,936.04 = 942,309.55/x
3. Step 3: Cross multiply
   1,279,401.67x = 1,914,936.04 × 942,309.55
4. Step 4: Simplify right side
   1,279,401.67x = 1,804,462,518,131.18
5. Step 5: Solve for x
   x = 1,804,462,518,131.18/1,279,401.67
6. Step 6: Final answer
   x = 1,410,395.63