Finding the Fourth Proportional to 9,454.53, 13,048.84 and 5,478.06

Step by Step Solution

1. Step 1: Write the proportion equation
   9,454.53 : 13,048.84 = 5,478.06 : x
2. Step 2: Convert to fraction form
   9,454.53/13,048.84 = 5,478.06/x
3. Step 3: Cross multiply
   9,454.53x = 13,048.84 × 5,478.06
4. Step 4: Simplify right side
   9,454.53x = 71,482,328.45
5. Step 5: Solve for x
   x = 71,482,328.45/9,454.53
6. Step 6: Final answer
   x = 7,560.64