Finding the Fourth Proportional to 7,726.01, 10,661.86 and 4,189.23

Step by Step Solution

1. Step 1: Write the proportion equation
   7,726.01 : 10,661.86 = 4,189.23 : x
2. Step 2: Convert to fraction form
   7,726.01/10,661.86 = 4,189.23/x
3. Step 3: Cross multiply
   7,726.01x = 10,661.86 × 4,189.23
4. Step 4: Simplify right side
   7,726.01x = 44,664,967.59
5. Step 5: Solve for x
   x = 44,664,967.59/7,726.01
6. Step 6: Final answer
   x = 5,781.12