Finding the Fourth Proportional to 9,275.51, 12,813.39 and 7,480.35

Step by Step Solution

1. Step 1: Write the proportion equation
   9,275.51 : 12,813.39 = 7,480.35 : x
2. Step 2: Convert to fraction form
   9,275.51/12,813.39 = 7,480.35/x
3. Step 3: Cross multiply
   9,275.51x = 12,813.39 × 7,480.35
4. Step 4: Simplify right side
   9,275.51x = 95,848,641.89
5. Step 5: Solve for x
   x = 95,848,641.89/9,275.51
6. Step 6: Final answer
   x = 10,333.51