Finding the Fourth Proportional to 8,499.02, 12,811.49 and 7,047.41

Step by Step Solution

1. Step 1: Write the proportion equation
   8,499.02 : 12,811.49 = 7,047.41 : x
2. Step 2: Convert to fraction form
   8,499.02/12,811.49 = 7,047.41/x
3. Step 3: Cross multiply
   8,499.02x = 12,811.49 × 7,047.41
4. Step 4: Simplify right side
   8,499.02x = 90,287,822.74
5. Step 5: Solve for x
   x = 90,287,822.74/8,499.02
6. Step 6: Final answer
   x = 10,623.32