Finding the Fourth Proportional to 1,747,411.56, 2,621,118.42 and 485,239.32

Step by Step Solution

1. Step 1: Write the proportion equation
   1,747,411.56 : 2,621,118.42 = 485,239.32 : x
2. Step 2: Convert to fraction form
   1,747,411.56/2,621,118.42 = 485,239.32/x
3. Step 3: Cross multiply
   1,747,411.56x = 2,621,118.42 × 485,239.32
4. Step 4: Simplify right side
   1,747,411.56x = 1,271,869,719,760.27
5. Step 5: Solve for x
   x = 1,271,869,719,760.27/1,747,411.56
6. Step 6: Final answer
   x = 727,859.28