Finding the Fourth Proportional to 7,811.82, 10,780.32 and 4,275.06

Step by Step Solution

1. Step 1: Write the proportion equation
   7,811.82 : 10,780.32 = 4,275.06 : x
2. Step 2: Convert to fraction form
   7,811.82/10,780.32 = 4,275.06/x
3. Step 3: Cross multiply
   7,811.82x = 10,780.32 × 4,275.06
4. Step 4: Simplify right side
   7,811.82x = 46,086,514.82
5. Step 5: Solve for x
   x = 46,086,514.82/7,811.82
6. Step 6: Final answer
   x = 5,899.59