Finding the Fourth Proportional to 9,072.87, 12,520.35 and 5,094.15

Step by Step Solution

1. Step 1: Write the proportion equation
   9,072.87 : 12,520.35 = 5,094.15 : x
2. Step 2: Convert to fraction form
   9,072.87/12,520.35 = 5,094.15/x
3. Step 3: Cross multiply
   9,072.87x = 12,520.35 × 5,094.15
4. Step 4: Simplify right side
   9,072.87x = 63,780,540.95
5. Step 5: Solve for x
   x = 63,780,540.95/9,072.87
6. Step 6: Final answer
   x = 7,029.81