Finding the Fourth Proportional to 2,179,415.21, 3,007,517.31 and 1,199,262.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,179,415.21 : 3,007,517.31 = 1,199,262.56 : x
2. Step 2: Convert to fraction form
   2,179,415.21/3,007,517.31 = 1,199,262.56/x
3. Step 3: Cross multiply
   2,179,415.21x = 3,007,517.31 × 1,199,262.56
4. Step 4: Simplify right side
   2,179,415.21x = 3,606,802,893,397.33
5. Step 5: Solve for x
   x = 3,606,802,893,397.33/2,179,415.21
6. Step 6: Final answer
   x = 1,654,940.69