Finding the Fourth Proportional to 2,042,911.61, 2,819,009.38 and 1,257,852.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,042,911.61 : 2,819,009.38 = 1,257,852.86 : x
2. Step 2: Convert to fraction form
   2,042,911.61/2,819,009.38 = 1,257,852.86/x
3. Step 3: Cross multiply
   2,042,911.61x = 2,819,009.38 × 1,257,852.86
4. Step 4: Simplify right side
   2,042,911.61x = 3,545,899,010,999.83
5. Step 5: Solve for x
   x = 3,545,899,010,999.83/2,042,911.61
6. Step 6: Final answer
   x = 1,735,708.48