Finding the Fourth Proportional to 1,808,912.43, 2,713,429.59 and 909,864

Step by Step Solution

1. Step 1: Write the proportion equation
   1,808,912.43 : 2,713,429.59 = 909,864 : x
2. Step 2: Convert to fraction form
   1,808,912.43/2,713,429.59 = 909,864/x
3. Step 3: Cross multiply
   1,808,912.43x = 2,713,429.59 × 909,864
4. Step 4: Simplify right side
   1,808,912.43x = 2,468,851,900,475.76
5. Step 5: Solve for x
   x = 2,468,851,900,475.76/1,808,912.43
6. Step 6: Final answer
   x = 1,364,826.65