Finding the Fourth Proportional to 2,275,267.55, 3,139,850.55 and 1,242,775.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,275,267.55 : 3,139,850.55 = 1,242,775.98 : x
2. Step 2: Convert to fraction form
   2,275,267.55/3,139,850.55 = 1,242,775.98/x
3. Step 3: Cross multiply
   2,275,267.55x = 3,139,850.55 × 1,242,775.98
4. Step 4: Simplify right side
   2,275,267.55x = 3,902,130,844,329.79
5. Step 5: Solve for x
   x = 3,902,130,844,329.79/2,275,267.55
6. Step 6: Final answer
   x = 1,715,020.66