Finding the Fourth Proportional to 9,180.16, 12,664.56 and 5,452

Step by Step Solution

1. Step 1: Write the proportion equation
   9,180.16 : 12,664.56 = 5,452 : x
2. Step 2: Convert to fraction form
   9,180.16/12,664.56 = 5,452/x
3. Step 3: Cross multiply
   9,180.16x = 12,664.56 × 5,452
4. Step 4: Simplify right side
   9,180.16x = 69,047,181.12
5. Step 5: Solve for x
   x = 69,047,181.12/9,180.16
6. Step 6: Final answer
   x = 7,521.35