Finding the Fourth Proportional to 9,305.34, 12,833.42 and 5,720.37

Step by Step Solution

1. Step 1: Write the proportion equation
   9,305.34 : 12,833.42 = 5,720.37 : x
2. Step 2: Convert to fraction form
   9,305.34/12,833.42 = 5,720.37/x
3. Step 3: Cross multiply
   9,305.34x = 12,833.42 × 5,720.37
4. Step 4: Simplify right side
   9,305.34x = 73,411,926.34
5. Step 5: Solve for x
   x = 73,411,926.34/9,305.34
6. Step 6: Final answer
   x = 7,889.22