Finding the Fourth Proportional to 2,810,440.28, 3,878,417.25 and 1,521,280.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,810,440.28 : 3,878,417.25 = 1,521,280.28 : x
2. Step 2: Convert to fraction form
   2,810,440.28/3,878,417.25 = 1,521,280.28/x
3. Step 3: Cross multiply
   2,810,440.28x = 3,878,417.25 × 1,521,280.28
4. Step 4: Simplify right side
   2,810,440.28x = 5,900,159,680,036.83
5. Step 5: Solve for x
   x = 5,900,159,680,036.83/2,810,440.28
6. Step 6: Final answer
   x = 2,099,372.02