Finding the Fourth Proportional to 7,783.71, 10,741.55 and 4,247.00

Step by Step Solution

1. Step 1: Write the proportion equation
   7,783.71 : 10,741.55 = 4,247.00 : x
2. Step 2: Convert to fraction form
   7,783.71/10,741.55 = 4,247.00/x
3. Step 3: Cross multiply
   7,783.71x = 10,741.55 × 4,247.00
4. Step 4: Simplify right side
   7,783.71x = 45,619,287.91
5. Step 5: Solve for x
   x = 45,619,287.91/7,783.71
6. Step 6: Final answer
   x = 5,860.87