Finding the Fourth Proportional to 9,047.09, 12,485.34 and 5,272.70

Step by Step Solution

1. Step 1: Write the proportion equation
   9,047.09 : 12,485.34 = 5,272.70 : x
2. Step 2: Convert to fraction form
   9,047.09/12,485.34 = 5,272.70/x
3. Step 3: Cross multiply
   9,047.09x = 12,485.34 × 5,272.70
4. Step 4: Simplify right side
   9,047.09x = 65,831,389.79
5. Step 5: Solve for x
   x = 65,831,389.79/9,047.09
6. Step 6: Final answer
   x = 7,276.52