Finding the Fourth Proportional to 2,178,222.45, 3,007,291.86 and 1,404,128.36

Step by Step Solution

1. Step 1: Write the proportion equation
   2,178,222.45 : 3,007,291.86 = 1,404,128.36 : x
2. Step 2: Convert to fraction form
   2,178,222.45/3,007,291.86 = 1,404,128.36/x
3. Step 3: Cross multiply
   2,178,222.45x = 3,007,291.86 × 1,404,128.36
4. Step 4: Simplify right side
   2,178,222.45x = 4,222,623,772,386.69
5. Step 5: Solve for x
   x = 4,222,623,772,386.69/2,178,222.45
6. Step 6: Final answer
   x = 1,938,564.07