Finding the Fourth Proportional to 9,820.59, 13,552.18 and 5,513.57

Step by Step Solution

1. Step 1: Write the proportion equation
   9,820.59 : 13,552.18 = 5,513.57 : x
2. Step 2: Convert to fraction form
   9,820.59/13,552.18 = 5,513.57/x
3. Step 3: Cross multiply
   9,820.59x = 13,552.18 × 5,513.57
4. Step 4: Simplify right side
   9,820.59x = 74,720,893.08
5. Step 5: Solve for x
   x = 74,720,893.08/9,820.59
6. Step 6: Final answer
   x = 7,608.60