Finding the Fourth Proportional to 2,661,749.31, 3,991,025.03 and 1,040,587.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,661,749.31 : 3,991,025.03 = 1,040,587.10 : x
2. Step 2: Convert to fraction form
   2,661,749.31/3,991,025.03 = 1,040,587.10/x
3. Step 3: Cross multiply
   2,661,749.31x = 3,991,025.03 × 1,040,587.10
4. Step 4: Simplify right side
   2,661,749.31x = 4,153,009,136,837.05
5. Step 5: Solve for x
   x = 4,153,009,136,837.05/2,661,749.31
6. Step 6: Final answer
   x = 1,560,255.55