Finding the Fourth Proportional to 1,899,162.42, 2,620,831.50 and 1,039,737.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,899,162.42 : 2,620,831.50 = 1,039,737.12 : x
2. Step 2: Convert to fraction form
   1,899,162.42/2,620,831.50 = 1,039,737.12/x
3. Step 3: Cross multiply
   1,899,162.42x = 2,620,831.50 × 1,039,737.12
4. Step 4: Simplify right side
   1,899,162.42x = 2,724,975,795,815.28
5. Step 5: Solve for x
   x = 2,724,975,795,815.28/1,899,162.42
6. Step 6: Final answer
   x = 1,434,830.31