Finding the Fourth Proportional to 9,019.60, 12,450.88 and 5,483.94

Step by Step Solution

1. Step 1: Write the proportion equation
   9,019.60 : 12,450.88 = 5,483.94 : x
2. Step 2: Convert to fraction form
   9,019.60/12,450.88 = 5,483.94/x
3. Step 3: Cross multiply
   9,019.60x = 12,450.88 × 5,483.94
4. Step 4: Simplify right side
   9,019.60x = 68,279,878.87
5. Step 5: Solve for x
   x = 68,279,878.87/9,019.60
6. Step 6: Final answer
   x = 7,570.17