Finding the Fourth Proportional to 2,015,025.69, 2,780,005.16 and 1,143,355.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,015,025.69 : 2,780,005.16 = 1,143,355.59 : x
2. Step 2: Convert to fraction form
   2,015,025.69/2,780,005.16 = 1,143,355.59/x
3. Step 3: Cross multiply
   2,015,025.69x = 2,780,005.16 × 1,143,355.59
4. Step 4: Simplify right side
   2,015,025.69x = 3,178,534,440,471.89
5. Step 5: Solve for x
   x = 3,178,534,440,471.89/2,015,025.69
6. Step 6: Final answer
   x = 1,577,416.34