Finding the Fourth Proportional to 1,785,647.63, 2,679,181.12 and 571,411.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,785,647.63 : 2,679,181.12 = 571,411.31 : x
2. Step 2: Convert to fraction form
   1,785,647.63/2,679,181.12 = 571,411.31/x
3. Step 3: Cross multiply
   1,785,647.63x = 2,679,181.12 × 571,411.31
4. Step 4: Simplify right side
   1,785,647.63x = 1,530,914,398,775.89
5. Step 5: Solve for x
   x = 1,530,914,398,775.89/1,785,647.63
6. Step 6: Final answer
   x = 857,344.06