Finding the Fourth Proportional to 9,820.07, 13,549.38 and 5,570.19

Step by Step Solution

1. Step 1: Write the proportion equation
   9,820.07 : 13,549.38 = 5,570.19 : x
2. Step 2: Convert to fraction form
   9,820.07/13,549.38 = 5,570.19/x
3. Step 3: Cross multiply
   9,820.07x = 13,549.38 × 5,570.19
4. Step 4: Simplify right side
   9,820.07x = 75,472,620.98
5. Step 5: Solve for x
   x = 75,472,620.98/9,820.07
6. Step 6: Final answer
   x = 7,685.55