Finding the Fourth Proportional to 2,202,978.09, 3,039,108.51 and 1,428,804.01

Step by Step Solution

1. Step 1: Write the proportion equation
   2,202,978.09 : 3,039,108.51 = 1,428,804.01 : x
2. Step 2: Convert to fraction form
   2,202,978.09/3,039,108.51 = 1,428,804.01/x
3. Step 3: Cross multiply
   2,202,978.09x = 3,039,108.51 × 1,428,804.01
4. Step 4: Simplify right side
   2,202,978.09x = 4,342,290,409,938.02
5. Step 5: Solve for x
   x = 4,342,290,409,938.02/2,202,978.09
6. Step 6: Final answer
   x = 1,971,100.14