Finding the Fourth Proportional to 9,258.39, 12,774.60 and 5,482.74

Step by Step Solution

1. Step 1: Write the proportion equation
   9,258.39 : 12,774.60 = 5,482.74 : x
2. Step 2: Convert to fraction form
   9,258.39/12,774.60 = 5,482.74/x
3. Step 3: Cross multiply
   9,258.39x = 12,774.60 × 5,482.74
4. Step 4: Simplify right side
   9,258.39x = 70,039,810.40
5. Step 5: Solve for x
   x = 70,039,810.40/9,258.39
6. Step 6: Final answer
   x = 7,565.01