Finding the Fourth Proportional to 709,510.21, 979,485.29 and 548,002.69

Step by Step Solution

1. Step 1: Write the proportion equation
   709,510.21 : 979,485.29 = 548,002.69 : x
2. Step 2: Convert to fraction form
   709,510.21/979,485.29 = 548,002.69/x
3. Step 3: Cross multiply
   709,510.21x = 979,485.29 × 548,002.69
4. Step 4: Simplify right side
   709,510.21x = 536,760,570,995.42
5. Step 5: Solve for x
   x = 536,760,570,995.42/709,510.21
6. Step 6: Final answer
   x = 756,522.69