Finding the Fourth Proportional to 7,726.51, 11,574.83 and 5,086.07

Step by Step Solution

1. Step 1: Write the proportion equation
   7,726.51 : 11,574.83 = 5,086.07 : x
2. Step 2: Convert to fraction form
   7,726.51/11,574.83 = 5,086.07/x
3. Step 3: Cross multiply
   7,726.51x = 11,574.83 × 5,086.07
4. Step 4: Simplify right side
   7,726.51x = 58,870,393.86
5. Step 5: Solve for x
   x = 58,870,393.86/7,726.51
6. Step 6: Final answer
   x = 7,619.27