Finding the Fourth Proportional to 9,648.20, 13,316.06 and 5,670.30

Step by Step Solution

1. Step 1: Write the proportion equation
   9,648.20 : 13,316.06 = 5,670.30 : x
2. Step 2: Convert to fraction form
   9,648.20/13,316.06 = 5,670.30/x
3. Step 3: Cross multiply
   9,648.20x = 13,316.06 × 5,670.30
4. Step 4: Simplify right side
   9,648.20x = 75,506,055.02
5. Step 5: Solve for x
   x = 75,506,055.02/9,648.20
6. Step 6: Final answer
   x = 7,825.92