Finding the Fourth Proportional to 9,484.12, 13,080.90 and 5,707

Step by Step Solution

1. Step 1: Write the proportion equation
   9,484.12 : 13,080.90 = 5,707 : x
2. Step 2: Convert to fraction form
   9,484.12/13,080.90 = 5,707/x
3. Step 3: Cross multiply
   9,484.12x = 13,080.90 × 5,707
4. Step 4: Simplify right side
   9,484.12x = 74,652,696.30
5. Step 5: Solve for x
   x = 74,652,696.30/9,484.12
6. Step 6: Final answer
   x = 7,871.34