Finding the Fourth Proportional to 978,362.57, 1,350,154.17 and 591,124.12

Step by Step Solution

1. Step 1: Write the proportion equation
   978,362.57 : 1,350,154.17 = 591,124.12 : x
2. Step 2: Convert to fraction form
   978,362.57/1,350,154.17 = 591,124.12/x
3. Step 3: Cross multiply
   978,362.57x = 1,350,154.17 × 591,124.12
4. Step 4: Simplify right side
   978,362.57x = 798,108,692,230.20
5. Step 5: Solve for x
   x = 798,108,692,230.20/978,362.57
6. Step 6: Final answer
   x = 815,759.63