Finding the Fourth Proportional to 9,293.08, 12,822.53 and 5,515.72

Step by Step Solution

1. Step 1: Write the proportion equation
   9,293.08 : 12,822.53 = 5,515.72 : x
2. Step 2: Convert to fraction form
   9,293.08/12,822.53 = 5,515.72/x
3. Step 3: Cross multiply
   9,293.08x = 12,822.53 × 5,515.72
4. Step 4: Simplify right side
   9,293.08x = 70,725,485.17
5. Step 5: Solve for x
   x = 70,725,485.17/9,293.08
6. Step 6: Final answer
   x = 7,610.55