Finding the Fourth Proportional to 9,085.49, 12,539.02 and 5,052.72

Step by Step Solution

1. Step 1: Write the proportion equation
   9,085.49 : 12,539.02 = 5,052.72 : x
2. Step 2: Convert to fraction form
   9,085.49/12,539.02 = 5,052.72/x
3. Step 3: Cross multiply
   9,085.49x = 12,539.02 × 5,052.72
4. Step 4: Simplify right side
   9,085.49x = 63,356,144.50
5. Step 5: Solve for x
   x = 63,356,144.50/9,085.49
6. Step 6: Final answer
   x = 6,973.33