Finding the Fourth Proportional to 8,081.02, 12,134.29 and 4,808.72

Step by Step Solution

1. Step 1: Write the proportion equation
   8,081.02 : 12,134.29 = 4,808.72 : x
2. Step 2: Convert to fraction form
   8,081.02/12,134.29 = 4,808.72/x
3. Step 3: Cross multiply
   8,081.02x = 12,134.29 × 4,808.72
4. Step 4: Simplify right side
   8,081.02x = 58,350,430.34
5. Step 5: Solve for x
   x = 58,350,430.34/8,081.02
6. Step 6: Final answer
   x = 7,220.68