Finding the Fourth Proportional to 978,454.39, 1,350,250.81 and 570,793.27

Step by Step Solution

1. Step 1: Write the proportion equation
   978,454.39 : 1,350,250.81 = 570,793.27 : x
2. Step 2: Convert to fraction form
   978,454.39/1,350,250.81 = 570,793.27/x
3. Step 3: Cross multiply
   978,454.39x = 1,350,250.81 × 570,793.27
4. Step 4: Simplify right side
   978,454.39x = 770,714,075,160.05
5. Step 5: Solve for x
   x = 770,714,075,160.05/978,454.39
6. Step 6: Final answer
   x = 787,685.23