Finding the Fourth Proportional to 2,105,686.08, 3,159,928.80 and 983,842.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,105,686.08 : 3,159,928.80 = 983,842.56 : x
2. Step 2: Convert to fraction form
   2,105,686.08/3,159,928.80 = 983,842.56/x
3. Step 3: Cross multiply
   2,105,686.08x = 3,159,928.80 × 983,842.56
4. Step 4: Simplify right side
   2,105,686.08x = 3,108,872,440,009.73
5. Step 5: Solve for x
   x = 3,108,872,440,009.73/2,105,686.08
6. Step 6: Final answer
   x = 1,476,417.81