Finding the Fourth Proportional to 2,056,629.72, 2,837,811 and 1,292,142

Step by Step Solution

1. Step 1: Write the proportion equation
   2,056,629.72 : 2,837,811 = 1,292,142 : x
2. Step 2: Convert to fraction form
   2,056,629.72/2,837,811 = 1,292,142/x
3. Step 3: Cross multiply
   2,056,629.72x = 2,837,811 × 1,292,142
4. Step 4: Simplify right side
   2,056,629.72x = 3,666,854,781,162
5. Step 5: Solve for x
   x = 3,666,854,781,162/2,056,629.72
6. Step 6: Final answer
   x = 1,782,943.59