Finding the Fourth Proportional to 12,093.02, 18,132.53 and 4,688.81

Step by Step Solution

1. Step 1: Write the proportion equation
   12,093.02 : 18,132.53 = 4,688.81 : x
2. Step 2: Convert to fraction form
   12,093.02/18,132.53 = 4,688.81/x
3. Step 3: Cross multiply
   12,093.02x = 18,132.53 × 4,688.81
4. Step 4: Simplify right side
   12,093.02x = 85,019,964.55
5. Step 5: Solve for x
   x = 85,019,964.55/12,093.02
6. Step 6: Final answer
   x = 7,030.50