Finding the Fourth Proportional to 7,813.80, 10,782.72 and 4,276.94

Step by Step Solution

1. Step 1: Write the proportion equation
   7,813.80 : 10,782.72 = 4,276.94 : x
2. Step 2: Convert to fraction form
   7,813.80/10,782.72 = 4,276.94/x
3. Step 3: Cross multiply
   7,813.80x = 10,782.72 × 4,276.94
4. Step 4: Simplify right side
   7,813.80x = 46,116,992.56
5. Step 5: Solve for x
   x = 46,116,992.56/7,813.80
6. Step 6: Final answer
   x = 5,901.99