Finding the Fourth Proportional to 7,782.07, 10,739.27 and 4,245.34

Step by Step Solution

1. Step 1: Write the proportion equation
   7,782.07 : 10,739.27 = 4,245.34 : x
2. Step 2: Convert to fraction form
   7,782.07/10,739.27 = 4,245.34/x
3. Step 3: Cross multiply
   7,782.07x = 10,739.27 × 4,245.34
4. Step 4: Simplify right side
   7,782.07x = 45,591,852.50
5. Step 5: Solve for x
   x = 45,591,852.50/7,782.07
6. Step 6: Final answer
   x = 5,858.58