Finding the Fourth Proportional to 1,381,404.24, 1,906,474.32 and 808,410.24

Step by Step Solution

1. Step 1: Write the proportion equation
   1,381,404.24 : 1,906,474.32 = 808,410.24 : x
2. Step 2: Convert to fraction form
   1,381,404.24/1,906,474.32 = 808,410.24/x
3. Step 3: Cross multiply
   1,381,404.24x = 1,906,474.32 × 808,410.24
4. Step 4: Simplify right side
   1,381,404.24x = 1,541,213,362,585.04
5. Step 5: Solve for x
   x = 1,541,213,362,585.04/1,381,404.24
6. Step 6: Final answer
   x = 1,115,685.99