Finding the Fourth Proportional to 9,483.18, 13,085.55 and 5,449.74

Step by Step Solution

1. Step 1: Write the proportion equation
   9,483.18 : 13,085.55 = 5,449.74 : x
2. Step 2: Convert to fraction form
   9,483.18/13,085.55 = 5,449.74/x
3. Step 3: Cross multiply
   9,483.18x = 13,085.55 × 5,449.74
4. Step 4: Simplify right side
   9,483.18x = 71,312,845.26
5. Step 5: Solve for x
   x = 71,312,845.26/9,483.18
6. Step 6: Final answer
   x = 7,519.93