Finding the Fourth Proportional to 10,617,305, 15,926,015.82 and 2,639,129

Step by Step Solution

1. Step 1: Write the proportion equation
   10,617,305 : 15,926,015.82 = 2,639,129 : x
2. Step 2: Convert to fraction form
   10,617,305/15,926,015.82 = 2,639,129/x
3. Step 3: Cross multiply
   10,617,305x = 15,926,015.82 × 2,639,129
4. Step 4: Simplify right side
   10,617,305x = 42,030,810,205,020.78
5. Step 5: Solve for x
   x = 42,030,810,205,020.78/10,617,305
6. Step 6: Final answer
   x = 3,958,708.00