Finding the Fourth Proportional to 1,396,112.52, 2,094,505.34 and 485,162.63

Step by Step Solution

1. Step 1: Write the proportion equation
   1,396,112.52 : 2,094,505.34 = 485,162.63 : x
2. Step 2: Convert to fraction form
   1,396,112.52/2,094,505.34 = 485,162.63/x
3. Step 3: Cross multiply
   1,396,112.52x = 2,094,505.34 × 485,162.63
4. Step 4: Simplify right side
   1,396,112.52x = 1,016,175,706,405.10
5. Step 5: Solve for x
   x = 1,016,175,706,405.10/1,396,112.52
6. Step 6: Final answer
   x = 727,860.89