Finding the Fourth Proportional to 7,805.89, 11,699.59 and 3,637.27

Step by Step Solution

1. Step 1: Write the proportion equation
   7,805.89 : 11,699.59 = 3,637.27 : x
2. Step 2: Convert to fraction form
   7,805.89/11,699.59 = 3,637.27/x
3. Step 3: Cross multiply
   7,805.89x = 11,699.59 × 3,637.27
4. Step 4: Simplify right side
   7,805.89x = 42,554,534.91
5. Step 5: Solve for x
   x = 42,554,534.91/7,805.89
6. Step 6: Final answer
   x = 5,451.59