Finding the Fourth Proportional to 2,122,517.76, 2,928,128.16 and 1,433,968.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,122,517.76 : 2,928,128.16 = 1,433,968.32 : x
2. Step 2: Convert to fraction form
   2,122,517.76/2,928,128.16 = 1,433,968.32/x
3. Step 3: Cross multiply
   2,122,517.76x = 2,928,128.16 × 1,433,968.32
4. Step 4: Simplify right side
   2,122,517.76x = 4,198,843,018,339.89
5. Step 5: Solve for x
   x = 4,198,843,018,339.89/2,122,517.76
6. Step 6: Final answer
   x = 1,978,236.93