Finding the Fourth Proportional to 9,485.09, 13,085.22 and 5,706.07

Step by Step Solution

1. Step 1: Write the proportion equation
   9,485.09 : 13,085.22 = 5,706.07 : x
2. Step 2: Convert to fraction form
   9,485.09/13,085.22 = 5,706.07/x
3. Step 3: Cross multiply
   9,485.09x = 13,085.22 × 5,706.07
4. Step 4: Simplify right side
   9,485.09x = 74,665,181.29
5. Step 5: Solve for x
   x = 74,665,181.29/9,485.09
6. Step 6: Final answer
   x = 7,871.85