Finding the Fourth Proportional to 9,017.76, 12,452.16 and 7,533.60

Step by Step Solution

1. Step 1: Write the proportion equation
   9,017.76 : 12,452.16 = 7,533.60 : x
2. Step 2: Convert to fraction form
   9,017.76/12,452.16 = 7,533.60/x
3. Step 3: Cross multiply
   9,017.76x = 12,452.16 × 7,533.60
4. Step 4: Simplify right side
   9,017.76x = 93,809,592.58
5. Step 5: Solve for x
   x = 93,809,592.58/9,017.76
6. Step 6: Final answer
   x = 10,402.76