Finding the Fourth Proportional to 9,480.12, 13,083.72 and 5,705.25

Step by Step Solution

1. Step 1: Write the proportion equation
   9,480.12 : 13,083.72 = 5,705.25 : x
2. Step 2: Convert to fraction form
   9,480.12/13,083.72 = 5,705.25/x
3. Step 3: Cross multiply
   9,480.12x = 13,083.72 × 5,705.25
4. Step 4: Simplify right side
   9,480.12x = 74,645,893.53
5. Step 5: Solve for x
   x = 74,645,893.53/9,480.12
6. Step 6: Final answer
   x = 7,873.94