Finding the Fourth Proportional to 2,641,978.32, 3,960,277.56 and 1,042,345.68

Step by Step Solution

1. Step 1: Write the proportion equation
   2,641,978.32 : 3,960,277.56 = 1,042,345.68 : x
2. Step 2: Convert to fraction form
   2,641,978.32/3,960,277.56 = 1,042,345.68/x
3. Step 3: Cross multiply
   2,641,978.32x = 3,960,277.56 × 1,042,345.68
4. Step 4: Simplify right side
   2,641,978.32x = 4,127,978,206,266.94
5. Step 5: Solve for x
   x = 4,127,978,206,266.94/2,641,978.32
6. Step 6: Final answer
   x = 1,562,457.26