Finding the Fourth Proportional to 9,820.32, 13,549.72 and 5,570.44

Step by Step Solution

1. Step 1: Write the proportion equation
   9,820.32 : 13,549.72 = 5,570.44 : x
2. Step 2: Convert to fraction form
   9,820.32/13,549.72 = 5,570.44/x
3. Step 3: Cross multiply
   9,820.32x = 13,549.72 × 5,570.44
4. Step 4: Simplify right side
   9,820.32x = 75,477,902.28
5. Step 5: Solve for x
   x = 75,477,902.28/9,820.32
6. Step 6: Final answer
   x = 7,685.89