Finding the Fourth Proportional to 12,499.75, 18,740.37 and 7,568.23

Step by Step Solution

1. Step 1: Write the proportion equation
   12,499.75 : 18,740.37 = 7,568.23 : x
2. Step 2: Convert to fraction form
   12,499.75/18,740.37 = 7,568.23/x
3. Step 3: Cross multiply
   12,499.75x = 18,740.37 × 7,568.23
4. Step 4: Simplify right side
   12,499.75x = 141,831,430.45
5. Step 5: Solve for x
   x = 141,831,430.45/12,499.75
6. Step 6: Final answer
   x = 11,346.74