Finding the Fourth Proportional to 978,004.14, 1,349,647.83 and 570,075.18

Step by Step Solution

1. Step 1: Write the proportion equation
   978,004.14 : 1,349,647.83 = 570,075.18 : x
2. Step 2: Convert to fraction form
   978,004.14/1,349,647.83 = 570,075.18/x
3. Step 3: Cross multiply
   978,004.14x = 1,349,647.83 × 570,075.18
4. Step 4: Simplify right side
   978,004.14x = 769,400,729,623.86
5. Step 5: Solve for x
   x = 769,400,729,623.86/978,004.14
6. Step 6: Final answer
   x = 786,704.98