Finding the Fourth Proportional to 3,669,870.15, 5,504,805.23 and 1,272,918.15

Step by Step Solution

1. Step 1: Write the proportion equation
   3,669,870.15 : 5,504,805.23 = 1,272,918.15 : x
2. Step 2: Convert to fraction form
   3,669,870.15/5,504,805.23 = 1,272,918.15/x
3. Step 3: Cross multiply
   3,669,870.15x = 5,504,805.23 × 1,272,918.15
4. Step 4: Simplify right side
   3,669,870.15x = 7,007,166,489,481.93
5. Step 5: Solve for x
   x = 7,007,166,489,481.93/3,669,870.15
6. Step 6: Final answer
   x = 1,909,377.23