Finding the Fourth Proportional to 9,072.79, 12,520.35 and 5,093.80

Step by Step Solution

1. Step 1: Write the proportion equation
   9,072.79 : 12,520.35 = 5,093.80 : x
2. Step 2: Convert to fraction form
   9,072.79/12,520.35 = 5,093.80/x
3. Step 3: Cross multiply
   9,072.79x = 12,520.35 × 5,093.80
4. Step 4: Simplify right side
   9,072.79x = 63,776,158.83
5. Step 5: Solve for x
   x = 63,776,158.83/9,072.79
6. Step 6: Final answer
   x = 7,029.39