Finding the Fourth Proportional to 12,510.04, 18,755.52 and 7,578.37

Step by Step Solution

1. Step 1: Write the proportion equation
   12,510.04 : 18,755.52 = 7,578.37 : x
2. Step 2: Convert to fraction form
   12,510.04/18,755.52 = 7,578.37/x
3. Step 3: Cross multiply
   12,510.04x = 18,755.52 × 7,578.37
4. Step 4: Simplify right side
   12,510.04x = 142,136,270.10
5. Step 5: Solve for x
   x = 142,136,270.10/12,510.04
6. Step 6: Final answer
   x = 11,361.78